Bump oj from 3.12.0 to 3.12.1 (#14197)

Bumps [oj](https://github.com/ohler55/oj) from 3.12.0 to 3.12.1.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/ohler55/oj/compare/v3.12.0...v3.12.1)

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

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

Gemfile.lock

@@ -472,7 +472,7 @@ GEM
     octokit (4.21.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    oj (3.12.0)
+    oj (3.12.1)
     omniauth (2.0.4)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)