Update dependency eslint to v8

Author: renovate[bot]

package.json

@@ -43,7 +43,7 @@
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "10.1.0",
     "babel-jest": "25.1.0",
-    "eslint": "6.8.0",
+    "eslint": "8.18.0",
     "flow-bin": "0.127.0",
     "jest": "25.1.0"
   },