Bump rake-compiler from 1.2.7 to 1.2.8

Bumps [rake-compiler](https://github.com/luislavena/rake-compiler) from 1.2.7 to 1.2.8.
- [Release notes](https://github.com/luislavena/rake-compiler/releases)
- [Changelog](https://github.com/rake-compiler/rake-compiler/blob/master/History.md)
- [Commits](rake-compiler/rake-compiler@v1.2.7...v1.2.8)

---
updated-dependencies:
- dependency-name: rake-compiler
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]