Release commenter to comment on PRs/issues that have had an associated
release.
NOTE: Commenting is currently disabled. Will be keeping an eye on the CI
output as to when to enable.
Heavily modified version of
[apexskier/github-release-commenter](https://github.com/apexskier/github-release-commenter).
Updates:
- Filters to closed PRs only
- Adds tag filter to support non-linear releases
- Better logging
- Moved to pnpm
- Uses @vercel/ncc for packaging
