Update action versions in devskim workflow

Author: aegilops

.github/workflows/devskim.yml

@@ -27,12 +27,12 @@ jobs:
       security-events: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Run DevSkim scanner
         uses: microsoft/DevSkim-Action@4b5047945a44163b94642a1cecc0d93a3f428cc6 # v1.0.16
 
       - name: Upload DevSkim scan results to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@v4
+        uses: github/codeql-action/upload-sarif@330a01c490aca151604b8cf639adc76d48f6c5d4 # v4.31.8
         with:
           sarif_file: devskim-results.sarif