Pin GitHub Actions to full-length commit SHAs

Author: danfiedler-msft

.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/clang-format.yml

@@ -9,9 +9,9 @@ jobs:
   clang-format:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
     - name: Set up Python 3.12
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@e9aba2c848f5ebd159c070c61ea2c4e2b122355e # v2.3.4
       with:
         python-version: "3.12"
     - name: Install dependencies

.github/workflows/test-plugin.yml

@@ -35,7 +35,7 @@ jobs:
       run: exit 1
 
     - name: Checkout Triton-Shared
-      uses: actions/checkout@v4
+      uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
       with:
         ref: ${{ inputs.triton-shared-ref }}
         path: triton_shared
@@ -119,7 +119,7 @@ jobs:
       run: exit 1
 
     - name: Checkout Triton-Shared
-      uses: actions/checkout@v4
+      uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
       with:
         ref: ${{ inputs.triton-shared-ref }}
         path: triton_shared