Merge pull request #69 from ruby/dependabot/bundler/rake-13.0.1

Bump rake from 12.3.1 to 13.0.1

Author: hsbt

Gemfile.lock

@@ -116,7 +116,7 @@ GEM
     rack (2.0.8)
     rack-livereload (0.3.17)
       rack
-    rake (12.3.1)
+    rake (13.0.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)