Update dependency typescript to ~4.9.0

Author: renovate[bot]

package.json

@@ -36,6 +36,6 @@
     "karma-coverage": "~2.0.3",
     "karma-jasmine": "~4.0.0",
     "karma-jasmine-html-reporter": "~1.7.0",
-    "typescript": "~4.3.5"
+    "typescript": "~4.9.0"
   }
 }