Update dev-dependencies

Author: wooorm

index.js

@@ -1,2 +1,2 @@
 'use strict';
-module.exports = require('./lib/index.js');
+module.exports = require('./lib');

package.json

@@ -31,16 +31,16 @@
   },
   "devDependencies": {
     "bail": "^1.0.0",
-    "execa": "^0.8.0",
+    "execa": "^0.10.0",
     "nyc": "^11.0.0",
-    "remark-cli": "^4.0.0",
-    "remark-preset-wooorm": "^3.0.0",
+    "remark-cli": "^5.0.0",
+    "remark-preset-wooorm": "^4.0.0",
     "strip-ansi": "^4.0.0",
     "tape": "^4.4.0",
     "touch": "^3.0.0",
     "unified": "^6.0.0",
     "vfile-reporter-json": "^1.0.1",
-    "xo": "^0.18.0",
+    "xo": "^0.21.0",
     "xtend": "^4.0.1"
   },
   "scripts": {

test/index.js

@@ -202,7 +202,7 @@ test('unified-args', function (t) {
     execa.stderr(bin, ['--color', 'one.txt']).then(function (result) {
       st.equal(
         result,
-        '\x1b[4m\x1b[32mone.txt\x1b[39m\x1b[24m: no issues found',
+        '\u001B[4m\u001B[32mone.txt\u001B[39m\u001B[24m: no issues found',
         'should report'
       );
     });