fix(deps): update dependency synckit to ^0.9.0

Author: renovate[bot]

package.json

@@ -72,7 +72,7 @@
     "graphemer": "^1.4.0",
     "jsonc-eslint-parser": "^2.0.4",
     "natural-compare": "^1.4.0",
-    "synckit": "^0.6.0"
+    "synckit": "^0.9.0"
   },
   "peerDependencies": {
     "eslint": ">=6.0.0"