Bump github.com/MicahParks/keyfunc from 1.5.1 to 1.9.0

Bumps [github.com/MicahParks/keyfunc](https://github.com/MicahParks/keyfunc) from 1.5.1 to 1.9.0.
- [Release notes](https://github.com/MicahParks/keyfunc/releases)
- [Commits](https://github.com/MicahParks/keyfunc/compare/v1.5.1...v1.9.0)

---
updated-dependencies:
- dependency-name: github.com/MicahParks/keyfunc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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