Update dev-dependencies

Author: wooorm

package.json

@@ -112,9 +112,9 @@
     "@types/mdast": "^4.0.0",
     "@types/parse-author": "^2.0.0",
     "@types/pluralize": "^0.0.33",
-    "@types/ungap__structured-clone": "^0.3.0",
+    "@types/ungap__structured-clone": "^1.0.0",
     "@ungap/structured-clone": "^1.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "comment-parser": "^1.0.0",
     "control-pictures": "^2.0.0",
     "estree-util-is-identifier-name": "^3.0.0",