Update dependency puma to v6.4.2

Gemfile.lock

@@ -479,7 +479,7 @@ GEM
     net-smtp (0.3.3)
       net-protocol
     net-ssh (7.1.0)
-    nio4r (2.5.9)
+    nio4r (2.7.0)
     nokogiri (1.15.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -534,7 +534,7 @@ GEM
       premailer (~> 1.7, >= 1.7.9)
     private_address_check (0.5.0)
     public_suffix (5.0.3)
-    puma (6.3.1)
+    puma (6.4.2)
       nio4r (~> 2.0)
     pundit (2.3.0)
       activesupport (>= 3.0.0)