Pin GitHub Actions to full-length commit SHAs

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7

.github/workflows/azure-inventory.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
 
       # For local testing, we'll simulate the Azure login step
       - name: Simulate Azure Login

.github/workflows/documentation.yml

@@ -22,12 +22,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           fetch-depth: 0
 
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@7f4fc3e22c37d6ff65e88745f38bd3157c663f7c # v4.9.1
         with:
           python-version: '3.x'
 
@@ -41,7 +41,7 @@ jobs:
 
       - name: Deploy (if on main branch)
         if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3.9.3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./site

.github/workflows/stale.yml

@@ -18,7 +18,7 @@ jobs:
       pull-requests: write
 
     steps:
-    - uses: actions/stale@v5
+    - uses: actions/stale@f7176fd3007623b69d27091f9b9d4ab7995f0a06 # v5.2.1
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         stale-issue-message: 'This Issue is stale and may be automatically close soon.'