Bump puma from 5.6.4 to 5.6.7 in /frameworks/Ruby/rails
Bumps [puma](https://github.com/puma/puma) from 5.6.4 to 5.6.7.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](https://github.com/puma/puma/compare/v5.6.4...v5.6.7)
---
updated-dependencies:
- dependency-name: puma
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <[email protected]>