Bump rake-compiler from 1.2.5 to 1.2.6 (#250)

Bumps [rake-compiler](https://github.com/luislavena/rake-compiler) from 1.2.5 to 1.2.6.
- [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@v1.2.5...v1.2.6)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -17,7 +17,7 @@ GEM
       ast (~> 2.4.1)
     rainbow (3.1.1)
     rake (13.1.0)
-    rake-compiler (1.2.5)
+    rake-compiler (1.2.6)
       rake
     regexp_parser (2.8.0)
     rexml (3.2.5)