Merge pull request #272 from jeremy-eychenne/migrate-to-angular-10

chore: migrate to angular 10

Author: quentinlampin

browserslist renamed to .browserslistrc

@@ -3,7 +3,7 @@
   "compilerOptions": {
     "outDir": "../out-tsc/e2e",
     "module": "commonjs",
-    "target": "es5",
+    "target": "es2018",
     "types": [
       "jasmine",
       "jasminewd2",