Update yarn.lock

Author: Ives van Hoorne

yarn.lock

@@ -3867,11 +3867,11 @@ istanbul-api@^1.1.1:
     mkdirp "^0.5.1"
     once "^1.4.0"
 
-istanbul-lib-coverage@^1.0.1:
+istanbul-lib-coverage@^1.0.1, istanbul-lib-coverage@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.0.2.tgz#87a0c015b6910651cb3b184814dfb339337e25e1"
 
-istanbul-lib-coverage@^1.0.2, istanbul-lib-coverage@^1.1.1:
+istanbul-lib-coverage@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.1.tgz#73bfb998885299415c93d38a3e9adf784a77a9da"
 
@@ -6886,16 +6886,7 @@ ua-parser-js@^0.7.9:
   version "0.7.12"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.12.tgz#04c81a99bdd5dc52263ea29d24c6bf8d4818a4bb"
 
-uglify-js@^2.6, uglify-js@~2.8.22:
-  version "2.8.22"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.22.tgz#d54934778a8da14903fa29a326fb24c0ab51a1a0"
-  dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
-
-uglify-js@^2.8.27:
+uglify-js@^2.6, uglify-js@^2.8.27, uglify-js@~2.8.22:
   version "2.8.27"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.27.tgz#47787f912b0f242e5b984343be8e35e95f694c9c"
   dependencies: