Bump oj from 3.16.3 to 3.16.9

Bumps [oj](https://github.com/ohler55/oj) from 3.16.3 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@v3.16.3...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

@@ -119,7 +119,7 @@ GEM
     base64 (0.2.0)
     bcrypt (3.1.20)
     benchmark (0.4.0)
-    bigdecimal (3.1.8)
+    bigdecimal (3.1.9)
     bindex (0.8.1)
     bootsnap (1.18.3)
       msgpack (~> 1.2)
@@ -304,9 +304,11 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    oj (3.16.3)
+    oj (3.16.9)
       bigdecimal (>= 3.0)
+      ostruct (>= 0.2)
     orm_adapter (0.5.0)
+    ostruct (0.6.1)
     parallel (1.26.3)
     parallel_tests (4.7.2)
       parallel