Bump oj from 3.16.8 to 3.16.9

Bumps [oj](https://github.com/ohler55/oj) from 3.16.8 to 3.16.9.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](ohler55/oj@v3.16.8...v3.16.9)

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

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

Gemfile.lock

@@ -286,7 +286,7 @@ GEM
       rack (>= 1.2, < 4)
       snaky_hash (~> 2.0)
       version_gem (~> 1.1)
-    oj (3.16.8)
+    oj (3.16.9)
       bigdecimal (>= 3.0)
       ostruct (>= 0.2)
     opentelemetry-api (1.4.0)