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/codeql.yml

@@ -23,16 +23,16 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1
       with:
         languages: ${{ matrix.language }}
 
     - name: Set up Go
-      uses: actions/setup-go@v6
+      uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
       with:
         go-version: 1.25
 
@@ -41,6 +41,6 @@ jobs:
         go build
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1
       with:
         category: "/language:${{matrix.language}}"

.github/workflows/pr.yaml

@@ -6,11 +6,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
         with:
           go-version: '1.25'
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@0717577d45739eb3c851188b29f50ed6c0b2194e # v2.8.0
 
       - name: make test
         run: |
@@ -23,9 +23,9 @@ jobs:
       GOFLAGS: '-buildvcs=false'
     steps:
       - name: Checkout Source
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
       - name: Run Gosec Security Scanner
-        uses: securego/gosec@v2.25.0
+        uses: securego/gosec@223e19b8856e00f02cc67804499a83f77e208f3c # v2.25.0
         with:
           args: './...'
 
@@ -34,12 +34,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
         with:
           go-version: '1.25'
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@0717577d45739eb3c851188b29f50ed6c0b2194e # v2.8.0
 
       - name: make depscheck
         run: |