Update dev-dependencies

Author: wooorm

package.json

@@ -42,9 +42,10 @@
     "micromark-extension-gfm-task-list-item": "^0.3.0",
     "nyc": "^15.0.0",
     "prettier": "^2.0.0",
-    "remark-cli": "^8.0.0",
-    "remark-preset-wooorm": "^7.0.0",
+    "remark-cli": "^9.0.0-alpha.1",
+    "remark-preset-wooorm": "^8.0.0",
     "tape": "^5.0.0",
+    "unist-util-remove-position": "^3.0.0",
     "xo": "^0.33.0"
   },
   "scripts": {