Bump puma from 6.5.0 to 6.6.0

Bumps [puma](https://github.com/puma/puma) from 6.5.0 to 6.6.0.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v6.5.0...v6.6.0)

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

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

Gemfile.lock

@@ -221,7 +221,7 @@ GEM
       date
       stringio
     public_suffix (6.0.1)
-    puma (6.5.0)
+    puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (3.1.8)