Merge pull request #321 from kufu/dependabot/bundler/rake-13.3.1

Bump rake from 13.3.0 to 13.3.1

Author: krororo

Gemfile.lock

@@ -13,7 +13,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.8.1)
-    rake (13.3.0)
+    rake (13.3.1)
     rubyzip (3.1.1)
     sqlite3 (2.7.4)
       mini_portile2 (~> 2.8.0)