chore: update GitHub Actions to use commit hashes (#4659)

.github/workflows/ci-linux.yml

@@ -35,7 +35,7 @@ jobs:
           clean-all: true
 
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6.0.1
         with:
           submodules: recursive
 
@@ -59,7 +59,7 @@ jobs:
 
       - name: Setup python
         id: python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
         with:
           python-version: '3.11'
 
@@ -193,7 +193,7 @@ jobs:
         if: >-
           always() &&
           (steps.test_report.outcome == 'success')
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f  # v6.0.0
         with:
           name: coverage-Linux-${{ matrix.name }}
           path: |
@@ -202,7 +202,7 @@ jobs:
           if-no-files-found: error
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f  # v6.0.0
         with:
           name: build-Linux-${{ matrix.name }}
           path: artifacts/