build(deps): update magnus requirement from 0.6 to 0.7 in /bindings/ruby
Updates the requirements on [magnus](https://github.com/matsadler/magnus) to permit the latest version.
- [Release notes](https://github.com/matsadler/magnus/releases)
- [Changelog](https://github.com/matsadler/magnus/blob/main/CHANGELOG.md)
- [Commits](https://github.com/matsadler/magnus/compare/0.6.0...0.7.1)
---
updated-dependencies:
- dependency-name: magnus
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>