DBZ-4672 Fail check if commit has no DBZ Jira prefix

.github/workflows/sanity-check.yml

@@ -43,3 +43,11 @@ jobs:
           issue-number: ${{ github.event.pull_request.number }}
           body: |
             Hi @${{ github.event.pull_request.user.login }}, thanks for your contribution. Please prefix the commit message(s) with the [DBZ-xxx JIRA issue key](https://github.com/debezium/debezium/blob/main/CONTRIBUTE.md#making-changes).
+      - name: Check failure
+        if: ${{ steps.check.outputs.PREFIX == 'false' }}
+        uses: actions/github-script@v5
+        continue-on-error: false
+        with:
+          script: |
+            throw new Error('Commit has no DBZ-xxx prefiix')
+