Update mail_room gem

CHANGELOG

@@ -68,6 +68,7 @@ v 8.13.0 (unreleased)
   - Grouped pipeline dropdown is a scrollable container
 
 v 8.12.5 (unreleased)
+  - Update the mail_room gem to 0.8.1 to fix a race condition with the mailbox watching thread
 
 v 8.12.4
   - Fix "Copy to clipboard" tooltip to say "Copied!" when clipboard button is clicked. !6294 (lukehowell)

Gemfile

@@ -323,7 +323,7 @@ gem 'newrelic_rpm', '~> 3.16'
 
 gem 'octokit', '~> 4.3.0'
 
-gem 'mail_room', '~> 0.8'
+gem 'mail_room', '~> 0.8.1'
 
 gem 'email_reply_parser', '~> 0.5.8'
 

Gemfile.lock

@@ -399,7 +399,7 @@ GEM
       systemu (~> 2.6.2)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
-    mail_room (0.8.0)
+    mail_room (0.8.1)
     method_source (0.8.2)
     mime-types (2.99.3)
     mimemagic (0.3.0)
@@ -886,7 +886,7 @@ DEPENDENCIES
   license_finder (~> 2.1.0)
   licensee (~> 8.0.0)
   loofah (~> 2.0.3)
-  mail_room (~> 0.8)
+  mail_room (~> 0.8.1)
   method_source (~> 0.8)
   minitest (~> 5.7.0)
   mousetrap-rails (~> 1.4.6)