chore(deps): update dependency puma to v6.4.3 [security] (#948)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Gemfile.lock

@@ -299,7 +299,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.7)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     pundit (2.2.0)
       activesupport (>= 3.0.0)