chore(ci): [CG-10689] add slack alert in release (#316)

# Motivation

<!-- Why is this change necessary? -->

# Content

<!-- Please include a summary of the change -->

# Testing

<!-- How was the change tested? -->

# Please check the following before marking your PR as ready for review

- [ ] I have added tests for my changes
- [ ] I have updated the documentation or added new documentation as
needed

Author: christinewangcw

.github/workflows/release.yml

@@ -90,8 +90,25 @@ jobs:
           uv publish --publish-url https://upload.pypi.org/legacy/
 
       - name: Make github release
+        id: github-release
         uses: softprops/action-gh-release@v2
         with:
           files: dist/*
           fail_on_unmatched_files: true
           generate_release_notes: true
+
+      - uses: slackapi/slack-github-action@v2.0.0
+        if: always()
+        with:
+          method: chat.postMessage
+          token: ${{ secrets.SLACK_BOT_TOKEN }}
+          payload: |
+            username: ${{ job.status == 'success' && format('Released <{0}|{1}>', steps.github-release.outputs.url, github.ref_name) || format('Failed to release {0}', github.ref_name) }}
+            channel: "#release"
+            icon_emoji: "${{ job.status == 'success' && ':white_check_mark:' || ':x:' }}"
+            text: |
+              Actor: `${{ github.triggering_actor }}`
+              Author: `${{ github.event.head_commit.author.username }}`
+              ${{ format('Commit: <{0}/{1}/commit/{2}|{1}@{2[:7]}>', github.server_url, github.repository, github.sha) || ''}}
+              ${{ format('Description: `{0}`', github.event.head_commit.message) || ''}}
+              View <${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|GHA logs>