Merge pull request #22636 from galaxyproject/dependabot/github_actions/slackapi/slack-github-action-3.0.3

Bump slackapi/slack-github-action from 3.0.2 to 3.0.3

Author: nsoranzo

.github/workflows/build_container_image.yaml

@@ -305,7 +305,7 @@ jobs:
           fi
 
       - name: Send Slack notification
-        uses: slackapi/slack-github-action@v3.0.2
+        uses: slackapi/slack-github-action@v3.0.3
         with:
           webhook: ${{ secrets.K8S_SLACK_WEBHOOK_URL }}
           webhook-type: incoming-webhook