Bump puma from 6.2.2 to 6.3.0

Bumps [puma](https://github.com/puma/puma) from 6.2.2 to 6.3.0.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v6.2.2...v6.3.0)

---
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

@@ -253,7 +253,7 @@ GEM
     psych (5.1.0)
       stringio
     public_suffix (5.0.1)
-    puma (6.2.2)
+    puma (6.3.0)
       nio4r (~> 2.0)
     puma_worker_killer (0.3.1)
       get_process_mem (~> 0.2)