Merge pull request #102 from PopulateTools/dependabot/bundler/net-imap-0.4.20

Bump net-imap from 0.4.19 to 0.4.20

Author: ferblape

Gemfile.lock

@@ -546,7 +546,7 @@ GEM
     msgpack (1.7.0)
     multi_xml (0.6.0)
     mustache (1.1.1)
-    net-imap (0.4.19)
+    net-imap (0.4.20)
       date
       net-protocol
     net-pop (0.1.2)