ci(action): pin amannn/action-semantic-pull-request action to e32d7e6 (#622)

Co-authored-by: descope[bot] <107609351+descope[bot]@users.noreply.github.com>

Author: descope[bot]

.github/workflows/ci.yml

@@ -82,7 +82,7 @@ jobs:
     if: github.event_name == 'pull_request'
     steps:
       - name: Validate PR title follows Semantic Commit Convention
-        uses: amannn/action-semantic-pull-request@v5
+        uses: amannn/action-semantic-pull-request@e32d7e603df1aa1ba07e981f2a23455dee596825 # v5
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: