Pin version of 3rd party actions

.github/workflows/ci-codeql.yml

@@ -39,7 +39,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@ea9e4e37992a54ee68a9622e985e60c8e8f12d9f # v3.27.4
       with:
         languages: ${{ matrix.language }}
         config: |
@@ -47,4 +47,4 @@ jobs:
           - sources/src
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@ea9e4e37992a54ee68a9622e985e60c8e8f12d9f # v3.27.4