Bumps [@primer/octicons](https://github.com/primer/octicons) from 17.11.1 to 19.15.0.
- [Release notes](https://github.com/primer/octicons/releases)
- [Changelog](https://github.com/primer/octicons/blob/main/CHANGELOG.md)
- [Commits](https://github.com/primer/octicons/compare/v17.11.1...v19.15.0

)

---
updated-dependencies:
- dependency-name: "@primer/octicons"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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