ci(github-action): pin action webiny/action-conventional-commits to (#521)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/conventional_commits.yaml

@@ -16,4 +16,4 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
 
       - name: Verify
-        uses: webiny/action-conventional-commits@v1.3.0
+        uses: webiny/action-conventional-commits@8bc41ff4e7d423d56fa4905f6ff79209a78776c7 # v1.3.0