Merge pull request #21 from ButterCMS/feature/update-node-version

feat: Update Node version to LTS v22

Author: ViolanteCodes

angular.json

@@ -19,7 +19,7 @@
             "outputPath": "dist/angular-tour-of-heroes",
             "index": "src/index.html",
             "main": "src/main.ts",
-            "polyfills": "src/polyfills.ts",
+            "polyfills": ["zone.js"],
             "tsConfig": "tsconfig.app.json",
             "assets": [
               "src/favicon.ico",
@@ -81,14 +81,14 @@
         "extract-i18n": {
           "builder": "@angular-devkit/build-angular:extract-i18n",
           "options": {
-            "browserTarget": "angular-tour-of-heroes:build"
+            "buildTarget": "angular-tour-of-heroes:build"
           }
         },
         "test": {
           "builder": "@angular-devkit/build-angular:karma",
           "options": {
             "main": "src/test.ts",
-            "polyfills": "src/polyfills.ts",
+            "polyfills": ["zone.js"],
             "tsConfig": "tsconfig.spec.json",
             "karmaConfig": "karma.conf.js",
             "assets": [