PR Summary

This pull request updates the GitHub pull request template to include a new label option, breaking-change, in the list of labels for release notes. This addition allows contributors to categorize PRs that introduce breaking changes, which can help in managing and communicating significant changes in the project more effectively.

Test Suggestions

• Verify that the updated pull request template is used when creating a new PR.
• Check that the 'breaking-change' label is available and can be applied to PRs.
• Ensure that the addition of the 'breaking-change' label does not affect existing label functionalities.