Merge pull request #34 from aws-samples/dependabot/bundler/rails/net-imap-0.4.20

Bump net-imap from 0.4.19 to 0.4.20 in /rails

Author: Yukinobu-Mine

rails/Gemfile.lock

@@ -100,7 +100,7 @@ GEM
     mini_mime (1.1.5)
     minitest (5.25.4)
     msgpack (1.7.2)
-    net-imap (0.4.19)
+    net-imap (0.4.20)
       date
       net-protocol
     net-pop (0.1.2)