added job failure expression to workflow

Author: fraisai

.github/workflows/slack-notify.yml

@@ -16,7 +16,7 @@ jobs:
               id: slack
               uses: slackapi/slack-github-action@v1.24.0
               with:
-                channel-id: 'cicd'
+                channel-id: 'C067F896WG5'
                 slack-message: "Github CI result: ${{ job.status }}\n${{ github.event.pull_request.html_url || github.event.head_commit.url }}"
               env:
                 SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}