Merge pull request NationalBankBelgium#239 from SuperITMan/bugfix/fix-tsconfig-target-ng9

fix(tsconfig): fix zone.js support in Angular by changing target to ES2015

Author: SuperITMan

lib/tsconfig/3.8.x/tsconfig.json

@@ -46,7 +46,7 @@
     "suppressImplicitAnyIndexErrors": true,
     "suppressExcessPropertyErrors": false,
     "useDefineForClassFields": true,
-    "target": "es2020",
+    "target": "es2015",
     "lib": ["dom", "dom.iterable", "es2020"]
   },
   "exclude": ["node_modules", "dist"],