chore(deps): update dependency eslint to v9

Author: renovate[bot]

bun.lockb

@@ -69,7 +69,7 @@
     "@typescript-eslint/eslint-plugin": "^8.10.0",
     "@typescript-eslint/parser": "^8.10.0",
     "bun-types": "^1.1.31",
-    "eslint": "^8.57.1",
+    "eslint": "^9.21.0",
     "eslint-config-prettier": "^9.1.0",
     "husky": "^9.1.6",
     "lint-staged": "^15.2.10",