Update email_spec to 2.2.0

Gemfile

@@ -374,7 +374,7 @@ end
 
 group :test do
   gem 'shoulda-matchers', '~> 3.1.2', require: false
-  gem 'email_spec', '~> 1.6.0'
+  gem 'email_spec', '~> 2.2.0'
   gem 'json-schema', '~> 2.8.0'
   gem 'webmock', '~> 2.3.2'
   gem 'rails-controller-testing' if rails5? # Rails5 only gem.

Gemfile.lock

@@ -178,9 +178,10 @@ GEM
     dropzonejs-rails (0.7.2)
       rails (> 3.1)
     email_reply_trimmer (0.1.6)
-    email_spec (1.6.0)
+    email_spec (2.2.0)
+      htmlentities (~> 4.3.3)
       launchy (~> 2.1)
-      mail (~> 2.2)
+      mail (~> 2.7)
     encryptor (3.0.0)
     equalizer (0.0.11)
     erubis (2.7.0)
@@ -1012,7 +1013,7 @@ DEPENDENCIES
   doorkeeper-openid_connect (~> 1.3)
   dropzonejs-rails (~> 0.7.1)
   email_reply_trimmer (~> 0.1)
-  email_spec (~> 1.6.0)
+  email_spec (~> 2.2.0)
   factory_bot_rails (~> 4.8.2)
   faraday (~> 0.12)
   fast_blank

changelogs/unreleased/46845-update-email_spec-to-2-2-0.yml

+---
+title: Update email_spec to 2.2.0
+merge_request: 19164
+author: Takuya Noguchi
+type: other