Merge pull request #2217 from ruby/dependabot/bundler/rake-compiler-1.2.9

Bump rake-compiler from 1.2.8 to 1.2.9

Author: soutaro

Gemfile.lock

@@ -80,7 +80,7 @@ GEM
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.2.1)
-    rake-compiler (1.2.8)
+    rake-compiler (1.2.9)
       rake
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)