Bump rake from 13.3.0 to 13.3.1 (#100)

Author: github-actions[bot]

Gemfile.lock

@@ -124,7 +124,7 @@ GEM
     public_suffix (6.0.1)
     racc (1.8.1)
     rainbow (3.1.1)
-    rake (13.3.0)
+    rake (13.3.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)