chore(deps): update typescript-eslint monorepo to v4.9.0

Author: renovate-bot

test-e2e/typescript/package-lock.json

@@ -16,8 +16,8 @@
     "test:ci": "npm run copy:library && npm run build-and-serve-and-cypress"
   },
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "4.8.2",
-    "@typescript-eslint/parser": "4.8.2",
+    "@typescript-eslint/eslint-plugin": "4.9.0",
+    "@typescript-eslint/parser": "4.9.0",
     "cypress": "6.0.1",
     "eslint": "7.14.0",
     "eslint-config-prettier": "6.15.0",