Bump mail-notify from 1.1.0 to 1.2.0

Bumps [mail-notify](https://github.com/dxw/mail-notify) from 1.1.0 to 1.2.0.
- [Changelog](https://github.com/dxw/mail-notify/blob/master/CHANGELOG.md)
- [Commits](dxw/mail-notify@1.1.0...1.2.0)

---
updated-dependencies:
- dependency-name: mail-notify
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -293,7 +293,7 @@ GEM
       net-imap
       net-pop
       net-smtp
-    mail-notify (1.1.0)
+    mail-notify (1.2.0)
       actionmailer (>= 5.2.4.6)
       actionpack (>= 5.2.7.1)
       actionview (>= 5.2.7.1)
@@ -312,7 +312,7 @@ GEM
     mutex_m (0.1.2)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)
-    net-imap (0.4.1)
+    net-imap (0.4.2)
       date
       net-protocol
     net-pop (0.1.2)