chore(deps): update dependency eslint-config-xo-typescript to v0.15.0

Author: renovate-bot

package.json

@@ -46,7 +46,7 @@
     "eslint": "5.16.0",
     "eslint-config-prettier": "5.1.0",
     "eslint-config-xo-space": "0.21.0",
-    "eslint-config-xo-typescript": "0.14.0",
+    "eslint-config-xo-typescript": "0.15.0",
     "eslint-plugin-import": "2.18.0",
     "jest": "24.8.0",
     "p-wait-for": "3.1.0",