⬆️ Bump net-imap from 0.4.0 to 0.4.1 (#1523)

Author: dependabot[bot]

Gemfile.lock

@@ -348,7 +348,7 @@ GEM
     mysql2 (0.5.5)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)
-    net-imap (0.4.0)
+    net-imap (0.4.1)
       date
       net-protocol
     net-pop (0.1.2)