Bump doorkeeper from 5.7.0 to 5.7.1

Bumps [doorkeeper](https://github.com/doorkeeper-gem/doorkeeper) from 5.7.0 to 5.7.1.
- [Release notes](https://github.com/doorkeeper-gem/doorkeeper/releases)
- [Changelog](https://github.com/doorkeeper-gem/doorkeeper/blob/main/CHANGELOG.md)
- [Commits](doorkeeper-gem/doorkeeper@v5.7.0...v5.7.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -137,7 +137,7 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.5.1)
-    doorkeeper (5.7.0)
+    doorkeeper (5.7.1)
       railties (>= 5)
     drb (2.2.1)
     erubi (1.13.0)
@@ -201,7 +201,7 @@ GEM
     mini_magick (4.12.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
-    minitest (5.24.0)
+    minitest (5.24.1)
     msgpack (1.7.2)
     mutex_m (0.2.0)
     net-imap (0.4.10)