Update uglifier to version 4.2.0

depfu[bot] · theflow · commit f4d84ffb99ec · 2019-10-10T13:54:44.000+02:00
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -169,7 +169,7 @@ GEM
     turbolinks-source (5.2.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (3.2.0)
+    uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     web-console (3.7.0)
       actionview (>= 5.0)
