Merge pull request #442 from rubycentral/dependabot/bundler/simple_form-5.3.1

Bump simple_form from 5.2.0 to 5.3.1

Author: amatsuda

Gemfile.lock

@@ -483,7 +483,7 @@ GEM
       connection_pool (>= 2.3.0)
       rack (>= 2.2.4)
       redis-client (>= 0.11.0)
-    simple_form (5.2.0)
+    simple_form (5.3.1)
       actionpack (>= 5.2)
       activemodel (>= 5.2)
     snaky_hash (2.0.1)