Merge pull request #588 from Data-Liberation-Front/dependabot/bundler/puma-5.2.1

Bump puma from 5.2.0 to 5.2.1

Author: Floppy

Gemfile.lock

@@ -514,7 +514,7 @@ GEM
     net-http-persistent (2.9.4)
     net-http-pipeline (1.0.1)
     netrc (0.11.0)
-    nio4r (2.5.4)
+    nio4r (2.5.5)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.2)
@@ -533,7 +533,7 @@ GEM
     pry (0.14.0)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    puma (5.2.0)
+    puma (5.2.1)
       nio4r (~> 2.0)
     pusher (1.4.3)
       httpclient (~> 2.8)