Merge pull request #50 from utmsigep/dependabot/bundler/net-imap-0.4.20

Bump net-imap from 0.4.19 to 0.4.20

Author: stephenyeargin

Gemfile.lock

@@ -149,7 +149,7 @@ GEM
     msgpack (1.7.2)
     mutex_m (0.3.0)
     mysql2 (0.5.6)
-    net-imap (0.4.19)
+    net-imap (0.4.20)
       date
       net-protocol
     net-pop (0.1.2)