Merge pull request #24 from fdocr/dependabot/bundler/puma-5.6.7

Bump puma from 5.6.4 to 5.6.7

Author: fdocr

Gemfile.lock

@@ -16,8 +16,8 @@ GEM
     multi_json (1.15.0)
     mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.5.8)
-    puma (5.6.4)
+    nio4r (2.5.9)
+    puma (5.6.7)
       nio4r (~> 2.0)
     rack (2.2.7)
     rack-attack (6.6.0)