build(deps): bump minitest in /bindings/ruby in the per-dependency group (#656)

Bumps the per-dependency group in /bindings/ruby with 1 update: [minitest](https://github.com/minitest/minitest).


Updates `minitest` from 6.0.2 to 6.0.3
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](https://github.com/minitest/minitest/compare/v6.0.2...v6.0.3)

---
updated-dependencies:
- dependency-name: minitest
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: per-dependency
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

bindings/ruby/Gemfile.lock

@@ -12,7 +12,7 @@ GEM
     json (2.19.2)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
-    minitest (6.0.2)
+    minitest (6.0.3)
       drb (~> 2.0)
       prism (~> 1.5)
     parallel (1.27.0)