Update dependency remark-gfm to v4

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
     "rehype-autolink-headings": "^7.0.0",
     "rehype-pretty-code": "^0.10.1",
     "rehype-slug": "^6.0.0",
-    "remark-gfm": "3.0.1",
+    "remark-gfm": "4.0.1",
     "typescript": "^5.2.2"
   },
   "devDependencies": {