chore(deps): update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -61,7 +61,7 @@
     "@typescript-eslint/eslint-plugin": "^5.45.0",
     "@typescript-eslint/parser": "^5.45.0",
     "@vitest/coverage-v8": "^1.3.1",
-    "eslint": "^8.28.0",
+    "eslint": "^9.0.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-svelte": "^2.30.0",
     "jsdom": "^26.1.0",