Bump oj from 3.13.21 to 3.16.12

Bumps [oj](https://github.com/ohler55/oj) from 3.13.21 to 3.16.12.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](ohler55/oj@v3.13.21...v3.16.12)

---
updated-dependencies:
- dependency-name: oj
  dependency-version: 3.16.12
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -30,6 +30,7 @@ GEM
     ast (2.4.2)
     backport (1.2.0)
     benchmark (0.2.0)
+    bigdecimal (3.3.1)
     builder (3.2.4)
     climate_control (1.2.0)
     coderay (1.1.3)
@@ -82,7 +83,10 @@ GEM
     nokogiri (1.13.8)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    oj (3.13.21)
+    oj (3.16.12)
+      bigdecimal (>= 3.0)
+      ostruct (>= 0.2)
+    ostruct (0.6.3)
     parallel (1.22.1)
     parser (3.1.2.1)
       ast (~> 2.4.1)