fix(@angular-devkit/build-angular): update worker-plugin

This update contains the following fix GoogleChromeLabs/worker-plugin#65

Closes: #17373

Author: alan-agius4

packages/angular_devkit/build_angular/package.json

@@ -67,7 +67,7 @@
     "webpack-merge": "4.2.2",
     "webpack-sources": "1.4.3",
     "webpack-subresource-integrity": "1.4.0",
-    "worker-plugin": "4.0.2"
+    "worker-plugin": "4.0.3"
   },
   "devDependencies": {
     "@angular/animations": "9.1.0-rc.2",

yarn.lock

@@ -12171,10 +12171,10 @@ worker-farm@^1.7.0:
   dependencies:
     errno "~0.1.7"
 
-worker-plugin@4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/worker-plugin/-/worker-plugin-4.0.2.tgz#0456dd7af1c0de64591326fd8a08c5d9f2b5b27a"
-  integrity sha512-V+1zSZMOOKk+uBzKyNIODLQLsx59zSIOaI75J1EMS0iR1qy+KQR3y/pQ3T0vIhvPfDFapGRMsoMvQNEL3okqSA==
+worker-plugin@4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/worker-plugin/-/worker-plugin-4.0.3.tgz#7c42e600d5931ad154d3d5f187a32446df64db0f"
+  integrity sha512-7hFDYWiKcE3yHZvemsoM9lZis/PzurHAEX1ej8PLCu818Rt6QqUAiDdxHPCKZctzmhqzPpcFSgvMCiPbtooqAg==
   dependencies:
     loader-utils "^1.1.0"