🤖 config(package.json): Enable linting with xo.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/aureooms/rejuvenate/blob/b7b7316fcc320ee7d249b0aa391d9a196c944421/src/transforms/package.json:scripts-lint-use-xo.js
Please contact the author of the transform if you believe there was an error.

package.json

@@ -44,7 +44,7 @@
     "cover": "NODE_ENV=cover c8 --all --src src --reporter lcov --reporter text-summary --reporter text npm test",
     "debug": "NODE_ENV=debug npm run test -- -st --fail-fast",
     "install-hooks": "husky install",
-    "lint": "true",
+    "lint": "xo",
     "lint-config": "fixpack --dryRun",
     "lint-config-and-fix": "fixpack || fixpack",
     "postinstall": "npm run install-hooks",