Merge pull request #727 from yasslab/dependabot/bundler/net-imap-0.4.9.1

Bump net-imap from 0.4.9 to 0.4.9.1

Author: yasulab

Gemfile.lock

@@ -183,7 +183,7 @@ GEM
     net-http-digest_auth (1.4.1)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)
-    net-imap (0.4.9)
+    net-imap (0.4.9.1)
       date
       net-protocol
     net-pop (0.1.2)