[wip] Start migration to Angular 15

package.json

@@ -101,7 +101,7 @@
     "karma-jasmine-html-reporter": "^2.0.0",
     "protractor": "~7.0.0",
     "ts-node": "^8.6.2",
-    "typescript": "~4.6.4"
+    "typescript": "~4.8.4"
   },
   "engines": {
     "node": ">= 14.17.3",