Bump doorkeeper from 5.5.2 to 5.5.3

Bumps [doorkeeper](https://github.com/doorkeeper-gem/doorkeeper) from 5.5.2 to 5.5.3.
- [Release notes](https://github.com/doorkeeper-gem/doorkeeper/releases)
- [Changelog](https://github.com/doorkeeper-gem/doorkeeper/blob/main/CHANGELOG.md)
- [Commits](doorkeeper-gem/doorkeeper@v5.5.2...v5.5.3)

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

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

Gemfile

@@ -5,7 +5,7 @@ source "http://rubygems.org"
 ruby "2.6.5"
 
 gem "rails", "~> 6.1"
-gem "doorkeeper", "~> 5.5.2"
+gem "doorkeeper", "~> 5.5.3"
 gem "devise", "~> 4.8"
 
 gem "faker"

Gemfile.lock

@@ -79,7 +79,7 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.4.4)
-    doorkeeper (5.5.2)
+    doorkeeper (5.5.3)
       railties (>= 5)
     erubi (1.10.0)
     execjs (2.7.0)
@@ -247,7 +247,7 @@ DEPENDENCIES
   coderay
   database_cleaner
   devise (~> 4.8)
-  doorkeeper (~> 5.5.2)
+  doorkeeper (~> 5.5.3)
   factory_bot_rails
   faker
   jquery-rails