build: fix CI after @angular/build 22.2.0 and jest-preset-angular 17.0.1 (#604)

Author: timdeschryver

apps/example-app-jest/tsconfig.spec.json

@@ -2,6 +2,7 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
+    "target": "ES2015",
     "module": "Node16",
     "moduleResolution": "node16",
     "isolatedModules": true,

projects/testing-library/tsconfig.json

@@ -19,8 +19,6 @@
   "angularCompilerOptions": {
     "strictInjectionParameters": true,
     "strictInputAccessModifiers": true,
-    "strictTemplates": true,
-    "flatModuleId": "AUTOGENERATED",
-    "flatModuleOutFile": "AUTOGENERATED"
+    "strictTemplates": true
   }
 }