Update dev-dependencies

Author: wooorm

package.json

@@ -62,7 +62,7 @@
     "esbuild": "^0.13.0",
     "gzip-size-cli": "^5.0.0",
     "hast-util-to-html": "^8.0.0",
-    "mdast-util-to-hast": "^11.0.0",
+    "mdast-util-to-hast": "^12.0.0",
     "micromark-build": "^1.0.0",
     "prettier": "^2.0.0",
     "rehype-parse": "^8.0.0",