Update puma to version 3.12.4

depfu[bot] · web-flow · commit 144cbc8ae156 · 2020-02-29T21:22:29.000Z
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -128,7 +128,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.3)
-    puma (3.12.2)
+    puma (3.12.4)
     rack (2.1.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
