Update dev-dependencies

Author: wooorm

package.json

@@ -42,14 +42,14 @@
     "c8": "^7.0.0",
     "estree-util-visit": "^1.0.0",
     "prettier": "^2.0.0",
-    "recast": "^0.20.0",
-    "remark-cli": "^9.0.0",
-    "remark-preset-wooorm": "^8.0.0",
+    "recast": "^0.21.0",
+    "remark-cli": "^10.0.0",
+    "remark-preset-wooorm": "^9.0.0",
     "rimraf": "^3.0.0",
     "tape": "^5.0.0",
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
-    "xo": "^0.42.0"
+    "xo": "^0.49.0"
   },
   "scripts": {
     "prepack": "npm run build && npm run format",