build(deps): bump oj from 3.16.14 to 3.16.15 (#4834)

Bumps [oj](https://github.com/ohler55/oj) from 3.16.14 to 3.16.15.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](ohler55/oj@v3.16.14...v3.16.15)

---
updated-dependencies:
- dependency-name: oj
  dependency-version: 3.16.15
  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>

Author: dependabot[bot]

Gemfile.lock

@@ -342,8 +342,9 @@ GEM
     nokogiri (1.19.0-x86_64-linux-gnu)
       racc (~> 1.4)
     observer (0.1.2)
-    oj (3.16.14)
+    oj (3.16.15)
       bigdecimal (>= 3.0)
+      ostruct (>= 0.2)
     open3 (0.2.1)
     openssl (4.0.0)
     os (1.1.4)