Update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -43,7 +43,7 @@
     "@web/dev-server": "^0.4.0",
     "@web/test-runner": "^0.20.0",
     "concurrently": "^9.0.0",
-    "eslint": "^8.18.0",
+    "eslint": "^9.0.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-html": "^8.0.0",
     "eslint-plugin-import": "^2.26.0",