Bump doorkeeper from 5.6.6 to 5.6.8

Bumps [doorkeeper](https://github.com/doorkeeper-gem/doorkeeper) from 5.6.6 to 5.6.8.
- [Release notes](https://github.com/doorkeeper-gem/doorkeeper/releases)
- [Changelog](https://github.com/doorkeeper-gem/doorkeeper/blob/main/CHANGELOG.md)
- [Commits](doorkeeper-gem/doorkeeper@v5.6.6...v.5.6.8)

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

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

Gemfile.lock

@@ -206,7 +206,7 @@ GEM
     docile (1.3.4)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    doorkeeper (5.6.6)
+    doorkeeper (5.6.8)
       railties (>= 5)
     dotenv (2.8.1)
     dotenv-rails (2.8.1)
@@ -223,7 +223,7 @@ GEM
       faraday (~> 1)
       multi_json
     encryptor (3.0.0)
-    erubi (1.11.0)
+    erubi (1.12.0)
     et-orbi (1.2.7)
       tzinfo
     excon (0.76.0)
@@ -312,7 +312,7 @@ GEM
     httplog (1.6.0)
       rack (>= 2.0)
       rainbow (>= 2.0.0)
-    i18n (1.12.0)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     i18n-tasks (1.0.12)
       activesupport (>= 4.0.2)
@@ -382,7 +382,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.21.3)
+    loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.7.1)
@@ -402,8 +402,8 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.2)
-    minitest (5.16.3)
+    mini_portile2 (2.8.5)
+    minitest (5.20.0)
     msgpack (1.5.4)
     multi_json (1.15.0)
     multipart-post (2.1.1)
@@ -482,7 +482,7 @@ GEM
     pundit (2.2.0)
       activesupport (>= 3.0.0)
     raabro (1.4.0)
-    racc (1.7.1)
+    racc (1.7.3)
     rack (2.2.7)
     rack-attack (6.6.1)
       rack (>= 1.0, < 3)
@@ -517,11 +517,13 @@ GEM
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
       activesupport (>= 5.0.1.rc1)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.4)
-      loofah (~> 2.19, >= 2.19.1)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 7)
@@ -534,7 +536,7 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.1.0)
     rdf (3.2.9)
       link_header (~> 0.0, >= 0.0.8)
     rdf-normalize (0.5.0)
@@ -725,7 +727,7 @@ GEM
     xorcist (1.1.3)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.8)
+    zeitwerk (2.6.12)
 
 PLATFORMS
   ruby