Update dev-dependencies

Author: wooorm

package.json

@@ -28,7 +28,7 @@
     "vfile-find-up": "^5.0.0"
   },
   "devDependencies": {
-    "execa": "^1.0.0",
+    "execa": "^2.0.0",
     "nlcst-to-string": "^2.0.0",
     "nyc": "^14.0.0",
     "prettier": "^1.0.0",