chore(deps): update dependency eslint to v9

Author: renovate[bot]

packages/share-theme/package.json

@@ -28,7 +28,7 @@
     "@typescript-eslint/parser": "^6.7.2",
     "dotenv": "^16.3.1",
     "esbuild": "^0.25.0",
-    "eslint": "^8.49.0",
+    "eslint": "^9.0.0",
     "highlight.js": "^11.8.0",
     "typescript": "^5.2.2"
   },