⬆️ deps: Upgrade dependency xo to v0.49.0

Author: renovate-bot

package.json

@@ -90,7 +90,7 @@
     "pinst": "3.0.0",
     "power-assert": "1.6.1",
     "regenerator-runtime": "0.13.9",
-    "xo": "0.48.0"
+    "xo": "0.49.0"
   },
   "ava": {
     "files": [