Bump responders from 3.1.0 to 3.1.1 (#764)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -305,7 +305,7 @@ GEM
       io-console (~> 0.5)
     request_store (1.5.1)
       rack (>= 1.4)
-    responders (3.1.0)
+    responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
     rexml (3.3.0)