only create next-step issues if they dont already exist

[travi]

originally travi/github-scaffolder#231

[travi]

https://github.com/tmelliottjr/octokit-plugin-unique-issue could help with this

GitHub

GitHub - tmelliottjr/octokit-plugin-unique-issue: Creates and retrieves unique GitHub issues

Creates and retrieves unique GitHub issues. Contribute to tmelliottjr/octokit-plugin-unique-issue development by creating an account on GitHub.

[github-actions]

🎉 This issue has been resolved in version 2.3.0 🎉

The release is available on:

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

Your semantic-release bot 📦🚀

[github-actions]

🎉 This issue has been resolved in version 3.0.0-beta.11 🎉

The release is available on:

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

Your semantic-release bot 📦🚀