Bump rake-compiler from 1.1.1 to 1.2.7

Bumps [rake-compiler](https://github.com/luislavena/rake-compiler) from 1.1.1 to 1.2.7.
- [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@v1.1.1...v1.2.7)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -8,7 +8,7 @@ GEM
   specs:
     power_assert (2.0.1)
     rake (13.0.6)
-    rake-compiler (1.1.1)
+    rake-compiler (1.2.7)
       rake
     test-unit (3.3.9)
       power_assert