Merge pull request #3518 from DMPRoadmap/dependabot/bundler/net-imap-0.4.20

Bump net-imap from 0.4.19 to 0.4.20

Author: aaronskiba

Gemfile.lock

@@ -343,7 +343,7 @@ GEM
     nenv (0.3.0)
     net-http (0.6.0)
       uri
-    net-imap (0.4.19)
+    net-imap (0.4.20)
       date
       net-protocol
     net-pop (0.1.2)