chore(deps): update dependency xo to ^0.56.0 (#101)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "express": "^4.17.1",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0",
-    "xo": "^0.55.0"
+    "xo": "^0.56.0"
   },
   "engines": {
     "node": ">=12.20.0"