build(deps): bump remark-gfm from 3.0.1 to 4.0.0

Bumps [remark-gfm](https://github.com/remarkjs/remark-gfm) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/remarkjs/remark-gfm/releases)
- [Commits](remarkjs/remark-gfm@3.0.1...4.0.0)

---
updated-dependencies:
- dependency-name: remark-gfm
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -18,7 +18,7 @@
     "rehype-highlight": "^7.0.0",
     "rehype-sanitize": "^5.0.1",
     "rehype-stringify": "^9.0.3",
-    "remark-gfm": "3.0.1",
+    "remark-gfm": "4.0.0",
     "remark-parse": "^10.0.2",
     "remark-rehype": "^10.1.0",
     "remark-slug": "^7.0.1",