Bump puma from 5.6.4 to 6.4.2

Bumps [puma](https://github.com/puma/puma) from 5.6.4 to 6.4.2.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v5.6.4...v6.4.2)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -138,7 +138,7 @@ GEM
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
     public_suffix (4.0.7)
-    puma (5.6.8)
+    puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.7)