⬆️ deps: Upgrade dependency xo to v1.

Author: renovate[bot]

package.json

@@ -110,7 +110,7 @@
     "power-assert": "1.6.1",
     "seedrandom": "3.0.5",
     "tap-dot": "2.0.0",
-    "xo": "0.58.0"
+    "xo": "1.2.2"
   },
   "ava": {
     "files": [