Explicitly declare GitHub Action versions

.github/workflows/build.yml

@@ -22,11 +22,11 @@ jobs:
     if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v3.0.2
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v3.1.2
       - name: Lint with Pre-commit
         uses: pre-commit/action@v2.0.3
 
@@ -39,9 +39,9 @@ jobs:
       matrix:
         python-version: ['3.8', '3.9', '3.10']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v3.0.2
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v3.1.2
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies