update release note example to show various groupings

.github/maintainers_guide.md

@@ -85,7 +85,7 @@ Releasing can feel intimidating at first, but rest assured: if you make a mistak
 7. Create GitHub Release(s) with release notes
  - From the repository, navigate to the **Releases** section and draft a new release
  - When creating the release notes, select the tag you generated earlier for your release and title the release the same name as the tag
- - Release notes should mention contributors, issues and PRs ([Example](https://github.com/slackapi/bolt-js/releases/tag/%40slack%2Fbolt%403.6.0))
+ - Release notes should mention contributors, issues and PRs ([Example](https://github.com/slackapi/bolt-js/releases/tag/%40slack%2Fbolt%403.13.2))
  - Related changes should be grouped together, such as enhancements, bug fixes, documentation, dependencies, or others.
  - Once the release notes are ready, click the "Publish Release" button to make them public