Bump actions/checkout from 5.0.1 to 6.0.2

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.1 to 6.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](https://github.com/actions/checkout/compare/v5.0.1...v6.0.2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-warning-fixer.lock.yml

@@ -89,7 +89,7 @@ jobs:
         with:
           destination: /opt/gh-aw/actions
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # v6.0.2
         with:
           persist-credentials: false
       - name: Create gh-aw temp directory
@@ -1014,7 +1014,7 @@ jobs:
           path: /tmp/gh-aw/
       - name: Checkout repository
         if: ((!cancelled()) && (needs.agent.result != 'skipped')) && (contains(needs.agent.outputs.output_types, 'create_pull_request'))
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # v6.0.2
         with:
           token: ${{ github.token }}
           persist-credentials: false