Bump oj from 3.13.23 to 3.15.1

Bumps [oj](https://github.com/ohler55/oj) from 3.13.23 to 3.15.1.
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/ohler55/oj/compare/v3.13.23...v3.15.1)

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

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

Gemfile

@@ -62,7 +62,7 @@ gem 'link_header', '~> 0.0'
 gem 'mime-types', '~> 3.4.1', require: 'mime/types/columnar'
 gem 'nokogiri', '~> 1.14'
 gem 'nsa', '~> 0.2'
-gem 'oj', '~> 3.13'
+gem 'oj', '~> 3.15'
 gem 'ox', '~> 2.14'
 gem 'parslet'
 gem 'posix-spawn'

Gemfile.lock

@@ -432,7 +432,7 @@ GEM
       concurrent-ruby (~> 1.0, >= 1.0.2)
       sidekiq (>= 3.5)
       statsd-ruby (~> 1.4, >= 1.4.0)
-    oj (3.13.23)
+    oj (3.15.1)
     omniauth (1.9.2)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
@@ -824,7 +824,7 @@ DEPENDENCIES
   net-ldap (~> 0.17)
   nokogiri (~> 1.14)
   nsa (~> 0.2)
-  oj (~> 3.13)
+  oj (~> 3.15)
   omniauth (~> 1.9)
   omniauth-cas (~> 2.0)
   omniauth-rails_csrf_protection (~> 0.1)