build(deps-dev): bump xo from 1.1.1 to 1.2.1 (#3570)

Author: yubiuser

package-lock.json

@@ -59,7 +59,7 @@
     "postcss": "^8.5.6",
     "postcss-cli": "^11.0.1",
     "prettier": "^3.6.2",
-    "xo": "^1.1.1"
+    "xo": "^1.2.1"
   },
   "browserslist": [
     ">= 0.5%",