Update dependency xo to v0.28.2

Author: renovate-bot

package.json

@@ -48,7 +48,7 @@
     "esdoc-standard-plugin": "1.0.0",
     "np": "5.2.1",
     "nyc": "14.1.1",
-    "xo": "0.28.1"
+    "xo": "0.28.2"
   },
   "files": [
     "lib"

yarn.lock

@@ -8659,10 +8659,10 @@ xdg-basedir@^4.0.0:
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-2.0.1.tgz#4d8b8f1eccd3419aa362061becef515e1e559635"
   integrity sha1-TYuPHszTQZqjYgYb7O9RXh5VljU=
 
-[email protected].1:
-  version "0.28.1"
-  resolved "https://registry.yarnpkg.com/xo/-/xo-0.28.1.tgz#90284169f31972728b5821878b4e0368ed9e6671"
-  integrity sha512-MEbLch4PUwBZw9G+JU0xn6/Udl39LirSF1RfR+TN5Ql+HcwmLCEHFMcV0jL71FD1XopWIWkCDZ8d8QQWFvsdnw==
+[email protected].2:
+  version "0.28.2"
+  resolved "https://registry.yarnpkg.com/xo/-/xo-0.28.2.tgz#78a5d5f15b57a3478a93f1c4633934fb33548300"
+  integrity sha512-7xOuOQHVcqZ07+Za8eemzJA0PfFdfqE9vCAJaJL0Jc1iBT1lVrNnc/tccGPmwN2rN4iRtHVCFxDLT5ILJ4UyUA==
   dependencies:
     "@typescript-eslint/eslint-plugin" "^2.23.0"
     "@typescript-eslint/parser" "^2.23.0"