chore(deps): bump branch-diff from 3.1.4 to 3.1.8 (#1208)

Bumps [branch-diff](https://github.com/nodejs/branch-diff) from 3.1.4 to 3.1.8.
- [Release notes](https://github.com/nodejs/branch-diff/releases)
- [Changelog](https://github.com/nodejs/branch-diff/blob/main/CHANGELOG.md)
- [Commits](nodejs/branch-diff@v3.1.4...v3.1.8)

---
updated-dependencies:
- dependency-name: branch-diff
  dependency-version: 3.1.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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