Update dev-dependencies

Author: wooorm

index.js

@@ -62,8 +62,6 @@ export function literal(node, parent) {
   return wrap(assertLiteral)(node, parent)
 }
 
-export {_void, wrap}
-
 // Construct.
 const mdast = zwitch('type', {
   // Core interface.
@@ -440,3 +438,5 @@ function indexable(value) {
     throw new Error('Expected object')
   }
 }
+
+export {_void, wrap} from 'unist-util-assert'

package.json

@@ -41,14 +41,14 @@
     "@types/tape": "^4.0.0",
     "c8": "^7.0.0",
     "prettier": "^2.0.0",
-    "remark-cli": "^9.0.0",
-    "remark-preset-wooorm": "^8.0.0",
+    "remark-cli": "^10.0.0",
+    "remark-preset-wooorm": "^9.0.0",
     "rimraf": "^3.0.0",
     "tape": "^5.0.0",
-    "tsd": "^0.17.0",
+    "tsd": "^0.20.0",
     "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",