[Security] Bump doorkeeper from 5.2.1 to 5.5.1

Gemfile

@@ -44,7 +44,7 @@ gem 'omniauth-saml', '~> 1.10'
 gem 'omniauth', '~> 1.9'
 
 gem 'discard', '~> 1.1'
-gem 'doorkeeper', '~> 5.2'
+gem 'doorkeeper', '~> 5.5'
 gem 'fast_blank', '~> 1.0'
 gem 'fastimage'
 gem 'goldfinger', '~> 2.1'

Gemfile.lock

@@ -134,7 +134,7 @@ GEM
       msgpack (~> 1.0)
     brakeman (4.6.1)
     browser (2.6.1)
-    builder (3.2.3)
+    builder (3.2.4)
     bullet (6.0.2)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
@@ -184,7 +184,7 @@ GEM
     connection_pool (2.2.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
+    crass (1.0.6)
     css_parser (1.7.0)
       addressable
     debug_inspector (0.0.3)
@@ -218,7 +218,7 @@ GEM
     docile (1.3.2)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    doorkeeper (5.2.1)
+    doorkeeper (5.5.1)
       railties (>= 5)
     dotenv (2.7.5)
     dotenv-rails (2.7.5)
@@ -235,7 +235,7 @@ GEM
       multi_json
     encryptor (3.0.0)
     equatable (0.6.1)
-    erubi (1.8.0)
+    erubi (1.10.0)
     et-orbi (1.1.6)
       tzinfo
     excon (0.62.0)
@@ -356,7 +356,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.9.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -375,10 +375,12 @@ GEM
     mime-types (3.3)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0904)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.12.0)
+    minitest (5.14.4)
     msgpack (1.3.1)
     multi_json (1.13.1)
     multipart-post (2.1.1)
@@ -458,7 +460,7 @@ GEM
     pundit (2.1.0)
       activesupport (>= 3.0.0)
     raabro (1.1.6)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-attack (6.1.0)
       rack (>= 1.0, < 3)
     rack-cors (1.0.3)
@@ -488,8 +490,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
       railties (>= 5.0, < 6)
@@ -644,7 +646,7 @@ GEM
     tty-screen (0.7.0)
     twitter-text (1.14.7)
       unf (~> 0.1.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)
@@ -706,7 +708,7 @@ DEPENDENCIES
   devise-two-factor (~> 3.1)
   devise_pam_authenticatable2 (~> 9.2)
   discard (~> 1.1)
-  doorkeeper (~> 5.2)
+  doorkeeper (~> 5.5)
   dotenv-rails (~> 2.7)
   fabrication (~> 2.20)
   faker (~> 2.5)