chore(deps): update devdependency eslint to v9

Author: renovate[bot]

package.json

@@ -36,7 +36,7 @@
     "@types/node": "^18.16.1",
     "@vitest/coverage-c8": "^0.30.1",
     "changelogen": "^0.5.3",
-    "eslint": "^8.39.0",
+    "eslint": "^9.23.0",
     "eslint-config-unjs": "^0.1.0",
     "expect-type": "^0.15.0",
     "prettier": "^2.8.8",