Replaced actions/checkout@v4, actions/setup-python@v5, actions/upload-artifact@v7 and actions/download-artifact@v8 with a full-length commit SHA.

Signed-off-by: Chin Yeung Li <tli@nexb.com>

Author: chinyeungli

.github/workflows/docs-ci.yml

@@ -14,10 +14,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/pypi-release.yml

@@ -24,9 +24,9 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
         with:
           python-version: 3.13
 
@@ -37,7 +37,7 @@ jobs:
         run: python -m build --sdist --wheel --outdir dist/
 
       - name: Upload built archives
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: pypi_archives
           path: dist/*
@@ -51,7 +51,7 @@ jobs:
 
     steps:
       - name: Download built archives
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
         with:
           name: pypi_archives
           path: dist
@@ -75,7 +75,7 @@ jobs:
 
     steps:
       - name: Download built archives
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
         with:
           name: pypi_archives
           path: dist/

.github/workflows/run-unit-tests.yml

@@ -18,10 +18,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
         with:
           python-version: ${{ matrix.python-version }}