Bump puma from 6.4.2 to 6.4.3 in /frameworks/Ruby/rack

Bumps [puma](https://github.com/puma/puma) from 6.4.2 to 6.4.3.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v6.4.2...v6.4.3)

---
updated-dependencies:
- dependency-name: puma
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frameworks/Ruby/rack/Gemfile.lock

@@ -77,7 +77,7 @@ GEM
     protocol-rack (0.6.0)
       protocol-http (~> 0.23)
       rack (>= 1.0)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     racc (1.8.0)
     rack (3.1.6)