chore: Update CI workflow permissions for secret scanning to enhance security and access control.

Author: Arnel Jan Sarmiento

.github/workflows/ci.yml

@@ -51,6 +51,10 @@ jobs:
   security:
     name: Secret scan
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+      pull-requests: read
     steps:
       - uses: actions/checkout@v4
       - uses: gitleaks/gitleaks-action@v2