Release notes generation issues

[franky47]

• If I'm the only contributor for a release, the thanks section should be removed completely rather than an awkward "Huge thanks to for helping".
• PR titles that contain code blocks don't get rendered properly.

[github-actions]

🎉 This issue has been resolved in version 2.8.7 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀