Bump doorkeeper from 5.5.1 to 5.6.6

Bumps [doorkeeper](https://github.com/doorkeeper-gem/doorkeeper) from 5.5.1 to 5.6.6.
- [Release notes](https://github.com/doorkeeper-gem/doorkeeper/releases)
- [Changelog](https://github.com/doorkeeper-gem/doorkeeper/blob/main/CHANGELOG.md)
- [Commits](doorkeeper-gem/doorkeeper@v5.5.1...v5.6.6)

---
updated-dependencies:
- dependency-name: doorkeeper
  dependency-type: direct:production
...

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

Gemfile

@@ -46,7 +46,7 @@ gem 'omniauth-rails_csrf_protection', '~> 0.1'
 
 gem 'color_diff', '~> 0.1'
 gem 'discard', '~> 1.2'
-gem 'doorkeeper', '~> 5.5'
+gem 'doorkeeper', '~> 5.6'
 gem 'ed25519', '~> 1.2'
 gem 'fast_blank', '~> 1.0'
 gem 'fastimage'

Gemfile.lock

@@ -188,7 +188,7 @@ GEM
     docile (1.3.4)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    doorkeeper (5.5.1)
+    doorkeeper (5.6.6)
       railties (>= 5)
     dotenv (2.7.6)
     dotenv-rails (2.7.6)
@@ -206,7 +206,7 @@ GEM
       faraday (~> 1)
       multi_json
     encryptor (3.0.0)
-    erubi (1.10.0)
+    erubi (1.12.0)
     et-orbi (1.2.4)
       tzinfo
     excon (0.76.0)
@@ -276,7 +276,7 @@ GEM
     httplog (1.5.0)
       rack (>= 1.0)
       rainbow (>= 2.0.0)
-    i18n (1.8.10)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     i18n-tasks (0.9.34)
       activesupport (>= 4.0.2)
@@ -332,7 +332,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.9.1)
+    loofah (2.21.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -354,17 +354,12 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.0.3)
-    mini_portile2 (2.5.2)
-      net-ftp (~> 0.1)
-    minitest (5.14.4)
+    mini_portile2 (2.5.3)
+    minitest (5.18.0)
     msgpack (1.4.2)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    net-ftp (0.1.2)
-      net-protocol
-      time
     net-ldap (0.17.0)
-    net-protocol (0.1.0)
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
@@ -438,16 +433,16 @@ GEM
     pundit (2.1.0)
       activesupport (>= 3.0.0)
     raabro (1.3.3)
-    racc (1.5.2)
+    racc (1.7.0)
     rack (2.2.3)
     rack-attack (6.5.0)
       rack (>= 1.0, < 3)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-proxy (0.6.5)
       rack
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack-test (2.1.0)
+      rack (>= 1.3)
     rails (6.1.3.2)
       actioncable (= 6.1.3.2)
       actionmailbox (= 6.1.3.2)
@@ -470,8 +465,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.5.0)
+      loofah (~> 2.19, >= 2.19.1)
     rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 7)
@@ -484,7 +479,7 @@ GEM
       rake (>= 0.8.7)
       thor (~> 1.0)
     rainbow (3.0.0)
-    rake (13.0.3)
+    rake (13.0.6)
     rdf (3.1.13)
       hamster (~> 3.0)
       link_header (~> 0.0, >= 0.0.8)
@@ -614,7 +609,6 @@ GEM
     thwait (0.2.0)
       e2mmap
     tilt (2.0.10)
-    time (0.1.0)
     tpm-key_attestation (0.9.0)
       bindata (~> 2.4)
       openssl-signature_algorithm (~> 0.4.0)
@@ -631,7 +625,7 @@ GEM
     twitter-text (3.1.0)
       idn-ruby
       unf (~> 0.1.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2021.1)
       tzinfo (>= 1.0.0)
@@ -671,7 +665,7 @@ GEM
     xorcist (1.1.2)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.4.2)
+    zeitwerk (2.6.8)
 
 PLATFORMS
   ruby
@@ -706,7 +700,7 @@ DEPENDENCIES
   devise-two-factor (~> 4.0)
   devise_pam_authenticatable2 (~> 9.2)
   discard (~> 1.2)
-  doorkeeper (~> 5.5)
+  doorkeeper (~> 5.6)
   dotenv-rails (~> 2.7)
   ed25519 (~> 1.2)
   fabrication (~> 2.22)