chore(deps): update dependency eslint to v8.21.0

Author: renovate[bot]

package.json

@@ -17,7 +17,7 @@
     "@poool/eslint-plugin": "2.0.0",
     "babel-eslint": "10.1.0",
     "babel-loader": "8.2.5",
-    "eslint": "8.18.0",
+    "eslint": "8.21.0",
     "eslint-config-standard": "17.0.0",
     "eslint-plugin-babel": "5.3.1",
     "eslint-plugin-import": "2.26.0",