Update dev-dependencies

Author: wooorm

index.test-d.ts

@@ -6,7 +6,7 @@ import {
   expectError
 } from 'tsd'
 import {Heading} from 'mdast'
-import * as unified from 'unified'
+import {unified} from 'unified'
 import {is, convert} from './index.js'
 
 /* Setup. */

package.json

@@ -48,10 +48,10 @@
     "remark-preset-wooorm": "^8.0.0",
     "rimraf": "^3.0.0",
     "tape": "^5.0.0",
-    "tsd": "^0.14.0",
+    "tsd": "^0.17.0",
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
-    "unified": "^9.0.0",
+    "unified": "^10.0.0",
     "xo": "^0.42.0"
   },
   "scripts": {