build: update terser to version 4.5.1

Author: clydin

packages/angular_devkit/build_angular/package.json

@@ -59,7 +59,7 @@
     "stylus": "0.54.7",
     "stylus-loader": "3.0.2",
     "tree-kill": "1.2.1",
-    "terser": "4.4.3",
+    "terser": "4.5.1",
     "terser-webpack-plugin": "2.2.1",
     "webpack": "4.41.2",
     "webpack-dev-middleware": "3.7.2",

yarn.lock

@@ -10378,10 +10378,10 @@ terser-webpack-plugin@^1.4.1:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@4.4.3:
-  version "4.4.3"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.4.3.tgz#401abc52b88869cf904412503b1eb7da093ae2f0"
-  integrity sha512-0ikKraVtRDKGzHrzkCv5rUNDzqlhmhowOBqC0XqUHFpW+vJ45+20/IFBcebwKfiS2Z9fJin6Eo+F1zLZsxi8RA==
+terser@4.5.1:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.5.1.tgz#63b52d6b6ce344aa6fedcd0ee06a695799eb50bd"
+  integrity sha512-lH9zLIbX8PRBEFCTvfHGCy0s9HEKnNso1Dx9swSopF3VUnFLB8DpQ61tHxoofovNC/sG0spajJM3EIIRSTByiQ==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"