build: bump puma from 4.3.0 to 4.3.1

Bumps [puma](https://github.com/puma/puma) from 4.3.0 to 4.3.1.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v4.3.0...v4.3.1)

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

Gemfile.lock

@@ -197,7 +197,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.1)
-    puma (4.3.0)
+    puma (4.3.1)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-test (1.1.0)