Update CI workflow to report status to Slack

Author: teetangh

.github/workflows/ci.yml

@@ -26,5 +26,18 @@ jobs:
           ruby-version: 3.3.0
       - name: Install dependencies
         run: bundle install
+
       - name: Run tests
-        run: bundle exec rspec test/integration
+        run: bundle exec rspec test/integration
+
+      - name: Report Status
+        if: always()
+        uses: ravsamhq/notify-slack-action@v1
+        with:
+          status: ${{ job.status }}
+          notify_when: "failure,warnings"
+          notification_title: "Repo: *{repo}*"
+          message_format: "{emoji}    *{status_message}* in <{repo_url}|{repo}@{branch}> on <{commit_url}|{commit_sha}>"
+          footer: "<{run_url}|View Full Run on GitHub>"
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.ACTION_MONITORING_SLACK }}