[no-relnote] Report GHA Staging_e2e status

Signed-off-by: Carlos Eduardo Arango Gutierrez <eduardoa@nvidia.com>

.github/workflows/staging_e2e.yaml

@@ -72,3 +72,26 @@ jobs:
           name: e2e-test-logs
           path: ./e2e_logs/
           retention-days: 15
+
+      - name: Check workflow status
+        run: |
+          if [ "${{ job.status }}" = "success" ]; then
+              STATUS_MESSAGE=":green-check-mark: On repository ${{ github.repository }} the Workflow *${{ github.workflow }}*n has completed successfully."
+          else
+              STATUS_MESSAGE=":red_target: On repository ${{ github.repository }} the Workflow *${{ github.workflow }}* has failed."
+          fi
+          echo "STATUS_MESSAGE=$STATUS_MESSAGE" >> $GITHUB_ENV
+  
+      - name: Send Slack alert notification
+        id: slack
+        if: github.event_name == 'push'
+        uses: slackapi/slack-github-action@v1.26.0
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+          SUMMARY_URL: https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}
+        with:
+          channel-id: ${{ secrets.SLACK_CHANNEL_ID }}
+          slack-message: |
+            ${{ env.STATUS_MESSAGE }}
+  
+            Details: ${{ env.SUMMARY_URL }}