chore(deps): bump remark-slug from 6.1.0 to 7.0.0

Bumps [remark-slug](https://github.com/remarkjs/remark-slug) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/remarkjs/remark-slug/releases)
- [Commits](remarkjs/remark-slug@6.1.0...7.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -47,7 +47,7 @@
     "remark-frontmatter": "^2.0.0",
     "remark-parse": "^7.0.2",
     "remark-rehype": "^7.0.0",
-    "remark-slug": "^6.0.0",
+    "remark-slug": "^7.0.0",
     "remark-stringify": "^8.0.0",
     "unified": "^8.4.0",
     "unist-util-flatmap": "^1.0.0",