Bump mail from 2.9.0 to 2.9.1

Bumps [mail](https://github.com/mikel/mail) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/mikel/mail/releases)
- [Changelog](https://github.com/mikel/mail/blob/master/CHANGELOG.rdoc)
- [Commits](mikel/mail@2.9.0...2.9.1)

---
updated-dependencies:
- dependency-name: mail
  dependency-version: 2.9.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -256,7 +256,7 @@ GEM
     loofah (2.25.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.9.0)
+    mail (2.9.1)
       logger
       mini_mime (>= 0.1.1)
       net-imap
@@ -292,7 +292,7 @@ GEM
       sass (>= 3.3)
     net-http (0.9.1)
       uri (>= 0.11.1)
-    net-imap (0.6.2)
+    net-imap (0.6.6)
       date
       net-protocol
     net-pop (0.1.2)
@@ -575,7 +575,7 @@ GEM
     test-prof (1.5.2)
     thor (1.5.0)
     tilt (2.7.0)
-    timeout (0.6.0)
+    timeout (0.6.1)
     tsort (0.2.0)
     ttfunk (1.8.0)
       bigdecimal (~> 3.1)
@@ -802,7 +802,7 @@ CHECKSUMS
   local_time (3.0.3) sha256=c69a8974d993fdf6e60db02977ed23c070f203dcb3a1ff0de52ad3d2393f8303
   logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
   loofah (2.25.0) sha256=df5ed7ac3bac6a4ec802df3877ee5cc86d027299f8952e6243b3dac446b060e6
-  mail (2.9.0) sha256=6fa6673ecd71c60c2d996260f9ee3dd387d4673b8169b502134659ece6d34941
+  mail (2.9.1) sha256=06574eca475253d6c18145dd70af80d0eb970182d55053497c5f4d797ea160e8
   maildown (3.3.1) sha256=64d457974dbc9277adadf94b9e6cdde2cc1c593b17d3b2af80234b8e33054d51
   marcel (1.1.0) sha256=fdcfcfa33cc52e93c4308d40e4090a5d4ea279e160a7f6af988260fa970e0bee
   matrix (0.4.3) sha256=a0d5ab7ddcc1973ff690ab361b67f359acbb16958d1dc072b8b956a286564c5b
@@ -821,7 +821,7 @@ CHECKSUMS
   mutex_m (0.3.0) sha256=cfcb04ac16b69c4813777022fdceda24e9f798e48092a2b817eb4c0a782b0751
   neat (1.7.4) sha256=a509f5c2f846361f0ff34600c750b3d8235d15ff2a2d6d4efb626f67c3e1b535
   net-http (0.9.1) sha256=25ba0b67c63e89df626ed8fac771d0ad24ad151a858af2cc8e6a716ca4336996
-  net-imap (0.6.2) sha256=08caacad486853c61676cca0c0c47df93db02abc4a8239a8b67eb0981428acc6
+  net-imap (0.6.6) sha256=96aa4ee50df3060203e649efc341f53480b791d49e150f2fdebf68beb141a8df
   net-pop (0.1.2) sha256=848b4e982013c15b2f0382792268763b748cce91c9e91e36b0f27ed26420dff3
   net-protocol (0.2.2) sha256=aa73e0cba6a125369de9837b8d8ef82a61849360eba0521900e2c3713aa162a8
   net-smtp (0.5.1) sha256=ed96a0af63c524fceb4b29b0d352195c30d82dd916a42f03c62a3a70e5b70736
@@ -931,7 +931,7 @@ CHECKSUMS
   test-prof (1.5.2) sha256=185839fb7d3745b3770ec48e3e5718eff9e28c327a50a1e18a3a9ef1060f8576
   thor (1.5.0) sha256=e3a9e55fe857e44859ce104a84675ab6e8cd59c650a49106a05f55f136425e73
   tilt (2.7.0) sha256=0d5b9ba69f6a36490c64b0eee9f6e9aad517e20dcc848800a06eb116f08c6ab3
-  timeout (0.6.0) sha256=6d722ad619f96ee383a0c557ec6eb8c4ecb08af3af62098a0be5057bf00de1af
+  timeout (0.6.1) sha256=78f57368a7e7bbadec56971f78a3f5ecbcfb59b7fcbb0a3ed6ddc08a5094accb
   tsort (0.2.0) sha256=9650a793f6859a43b6641671278f79cfead60ac714148aabe4e3f0060480089f
   ttfunk (1.8.0) sha256=a7cbc7e489cc46e979dde04d34b5b9e4f5c8f1ee5fc6b1a7be39b829919d20ca
   tzinfo (2.0.6) sha256=8daf828cc77bcf7d63b0e3bdb6caa47e2272dcfaf4fbfe46f8c3a9df087a829b