Bump oj from 3.16.4 to 3.16.5

Bumps [oj](https://github.com/ohler55/oj) from 3.16.4 to 3.16.5.
- [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/v3.16.4...v3.16.5)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -295,10 +295,12 @@ GEM
     nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    oj (3.16.4)
+    oj (3.16.5)
       bigdecimal (>= 3.0)
+      ostruct (>= 0.2)
     openssl (3.2.0)
     orm_adapter (0.5.0)
+    ostruct (0.6.0)
     parallel (1.25.1)
     parser (3.3.4.0)
       ast (~> 2.4.1)