Bump oj from 3.13.21 to 3.13.23 (mastodon#20046)

Bumps [oj](https://github.com/ohler55/oj) from 3.13.21 to 3.13.23.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](ohler55/oj@v3.13.21...v3.13.23)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -420,7 +420,7 @@ GEM
       concurrent-ruby (~> 1.0, >= 1.0.2)
       sidekiq (>= 3.5)
       statsd-ruby (~> 1.4, >= 1.4.0)
-    oj (3.13.21)
+    oj (3.13.23)
     omniauth (1.9.2)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)