chore(deps): update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
 		"@watergis/svelte-maplibre-valhalla": "^3.0.0",
 		"buffer": "^6.0.3",
 		"bulma": "^1.0.0",
-		"eslint": "^8.50.0",
+		"eslint": "^9.0.0",
 		"eslint-config-prettier": "^9.0.0",
 		"eslint-plugin-svelte": "^2.33.2",
 		"events": "^3.3.0",