Update dev-dependencies

Author: wooorm

package.json

@@ -51,7 +51,7 @@
   "devDependencies": {
     "@types/node": "^20.0.0",
     "@types/ungap__structured-clone": "^1.0.0",
-    "c8": "^9.0.0",
+    "c8": "^10.0.0",
     "hast-util-to-html": "^9.0.0",
     "hastscript": "^9.0.0",
     "mdast-util-from-markdown": "^2.0.0",