build(deps): bump rayon from 1.11.0 to 1.12.0 in /bindings/ruby

Bumps [rayon](https://github.com/rayon-rs/rayon) from 1.11.0 to 1.12.0.
- [Changelog](https://github.com/rayon-rs/rayon/blob/main/RELEASES.md)
- [Commits](rayon-rs/rayon@rayon-core-v1.11.0...rayon-core-v1.12.0)

---
updated-dependencies:
- dependency-name: rayon
  dependency-version: 1.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]