Update some xo deps

Author: jdesboeufs

package.json

@@ -52,8 +52,8 @@
   },
   "devDependencies": {
     "ava": "^5.2.0",
-    "eslint-config-xo": "^0.43.1",
-    "eslint-config-xo-nextjs": "^5.2.0",
+    "eslint-config-xo": "^0.46.0",
+    "eslint-config-xo-nextjs": "^6.3.0",
     "mongodb-memory-server": "^8.12.0",
     "supertest": "^6.3.3",
     "xo": "^0.56.0"