Bump puma from 5.6.9 to 6.6.0

Bumps [puma](https://github.com/puma/puma) from 5.6.9 to 6.6.0.
- [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/v5.6.9...v6.6.0)

---
updated-dependencies:
- dependency-name: puma
  dependency-version: 6.6.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Gemfile

@@ -42,7 +42,7 @@ gem "omniauth-twitter", "~> 1.4.0"
 gem "paranoia", "~> 3.0.1"
 gem "pg", "~> 1.5.9"
 gem "pg_search", "~> 2.3.7"
-gem "puma", "~> 5.6.9"
+gem "puma", "~> 6.6.0"
 gem "recipient_interceptor", "~> 0.3.3"
 gem "redcarpet", "~> 3.6.1"
 gem "responders", "~> 3.1.1"