Bump actions/setup-dotnet from 5 to 6 (#10147)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet)
from 5 to 6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/actions/setup-dotnet/releases">actions/setup-dotnet's
releases</a>.</em></p>
<blockquote>
<h2>v6.0.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Migrate to ESM and upgrade dependencies by <a
href="https://github.com/priyagupta108"><code>@​priyagupta108</code></a>
in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/752">actions/setup-dotnet#752</a></li>
<li>Bump actions/checkout from 6.0.3 to 7.0.0 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a>[bot]
in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/751">actions/setup-dotnet#751</a></li>
<li>chore(deps): bump <code>@​actions/cache</code> to 6.2.0 by <a
href="https://github.com/philip-gai"><code>@​philip-gai</code></a> in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/756">actions/setup-dotnet#756</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/philip-gai"><code>@​philip-gai</code></a> made
their first contribution in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/756">actions/setup-dotnet#756</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/setup-dotnet/compare/v5...v6.0.0">https://github.com/actions/setup-dotnet/compare/v5...v6.0.0</a></p>
<h2>v5.4.0</h2>
<h2>What's Changed</h2>
<h3>Enhancements</h3>
<ul>
<li>Improve global.json SDK version validation for rollForward by <a
href="https://github.com/priyagupta108"><code>@​priyagupta108</code></a>
in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/742">actions/setup-dotnet#742</a></li>
<li>Pin actions to commit SHAs in workflows by <a
href="https://github.com/priya-kinthali"><code>@​priya-kinthali</code></a>
in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/744">actions/setup-dotnet#744</a></li>
<li>Expand the CSC problem matcher to light up more errors on GitHub. by
<a
href="https://github.com/StephenCleary"><code>@​StephenCleary</code></a>
in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/717">actions/setup-dotnet#717</a></li>
</ul>
<h3>Documentation</h3>
<ul>
<li>Docs(action): Explicitly mark all optional inputs with required:
false by <a
href="https://github.com/kranthipoturaju"><code>@​kranthipoturaju</code></a>
in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/737">actions/setup-dotnet#737</a></li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>Fix global.json creation command by <a
href="https://github.com/michal2612"><code>@​michal2612</code></a> in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/694">actions/setup-dotnet#694</a></li>
</ul>
<h3>Dependency Updates</h3>
<ul>
<li>Upgrade <code>@​actions/cache</code> to 5.1.0, log cache write
denied by <a
href="https://github.com/jasongin"><code>@​jasongin</code></a> in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/746">actions/setup-dotnet#746</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/jasongin"><code>@​jasongin</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/746">actions/setup-dotnet#746</a></li>
<li><a
href="https://github.com/michal2612"><code>@​michal2612</code></a> made
their first contribution in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/694">actions/setup-dotnet#694</a></li>
<li><a
href="https://github.com/kranthipoturaju"><code>@​kranthipoturaju</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/737">actions/setup-dotnet#737</a></li>
<li><a
href="https://github.com/StephenCleary"><code>@​StephenCleary</code></a>
made their first contribution in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/717">actions/setup-dotnet#717</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/setup-dotnet/compare/v5...v5.4.0">https://github.com/actions/setup-dotnet/compare/v5...v5.4.0</a></p>
<h2>v5.3.0</h2>
<h2>What's Changed</h2>
<h3>Enhancements</h3>
<ul>
<li>Add dotnet-version: latest support with dotnet-channel input by <a
href="https://github.com/mahabaleshwars"><code>@​mahabaleshwars</code></a>
in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/730">actions/setup-dotnet#730</a></li>
<li>Support global.json's rollForward latest* variants by <a
href="https://github.com/js6pak"><code>@​js6pak</code></a> in <a
href="https://redirect.github.com/actions/setup-dotnet/pull/538">actions/setup-dotnet#538</a></li>
<li>Improve version resolution by <a
href="https://github.com/akoeplinger"><code>@​akoeplinger</code></a> in
<a
href="https://redirect.github.com/actions/setup-dotnet/pull/560">actions/setup-dotnet#560</a></li>
</ul>
<h3>Dependency Updates</h3>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="a98b56852c"><code>a98b568</code></a>
chore(deps): bump <code>@​actions/cache</code> to 6.2.0 (<a
href="https://redirect.github.com/actions/setup-dotnet/issues/756">#756</a>)</li>
<li><a
href="afb2931642"><code>afb2931</code></a>
Bump actions/checkout from 6.0.3 to 7.0.0 (<a
href="https://redirect.github.com/actions/setup-dotnet/issues/751">#751</a>)</li>
<li><a
href="6df8cefd14"><code>6df8cef</code></a>
Migrate to ESM and upgrade dependencies (<a
href="https://redirect.github.com/actions/setup-dotnet/issues/752">#752</a>)</li>
<li>See full diff in <a
href="https://github.com/actions/setup-dotnet/compare/v5...v6">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=actions/setup-dotnet&package-manager=github_actions&previous-version=5&new-version=6)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/nightly-validation.yml

@@ -30,7 +30,7 @@ jobs:
         uses: actions/checkout@v7.0.0
       
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '8.x'
       
@@ -90,7 +90,7 @@ jobs:
         uses: actions/checkout@v7.0.0
       
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '8.x'
       
@@ -145,7 +145,7 @@ jobs:
         uses: actions/checkout@v7.0.0
       
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '8.x'
       
@@ -200,7 +200,7 @@ jobs:
         uses: actions/checkout@v7.0.0
       
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '8.x'