switch to use server's new actions org

.forgejo/workflows/deps.yml

@@ -12,10 +12,10 @@ jobs:
     outputs:
       cache-primary-key: ${{ steps.restore-deps.outputs.cache-primary-key }}
     steps:
-      - uses: https://git.libre-chip.org/mirrors/checkout@v3
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - uses: https://git.libre-chip.org/mirrors/cache/restore@v3
+      - uses: actions/cache/restore@v3
         id: restore-deps
         with:
           path: deps
@@ -70,7 +70,7 @@ jobs:
         run: |
           git clone --depth=1 --recursive --branch=0.45 https://git.libre-chip.org/mirrors/yosys deps/yosys
           make -C deps/yosys -j"$(nproc)"
-      - uses: https://git.libre-chip.org/mirrors/cache/save@v3
+      - uses: actions/cache/save@v3
         if: steps.restore-deps.outputs.cache-hit != 'true'
         with:
           path: deps

.forgejo/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: debian-12
     needs: deps
     steps:
-      - uses: https://git.libre-chip.org/mirrors/checkout@v3
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - run: |
@@ -42,7 +42,7 @@ jobs:
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain 1.89.0
           source "$HOME/.cargo/env"
           echo "$PATH" >> "$GITHUB_PATH"
-      - uses: https://git.libre-chip.org/mirrors/cache/restore@v3
+      - uses: actions/cache/restore@v3
         with:
           path: deps
           key: ${{ needs.deps.outputs.cache-primary-key }}