⬆️ Update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@sanity/eslint-config-studio": "^3.0.0",
-    "eslint": "^8.43.0",
+    "eslint": "^9.0.0",
     "prettier": "^3.0.0",
     "typescript": "^5.1.6"
   },