Update dev-dependencies

Author: wooorm

package.json

@@ -56,7 +56,7 @@
     "tinyify": "^3.0.0",
     "unified": "^9.0.0",
     "unist-builder": "^2.0.0",
-    "xo": "^0.35.0"
+    "xo": "^0.38.0"
   },
   "scripts": {
     "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",

test.js

@@ -591,8 +591,8 @@ test('integration', function (t) {
         '<p>Hello, world!',
         ''
       ].join('\n'),
-      function (err, file) {
-        t.ifErr(err, 'should not fail')
+      function (error, file) {
+        t.ifErr(error, 'should not fail')
 
         t.equal(
           String(file),