build(deps-dev): bump unist-util-visit-children from 1.1.4 to 2.0.0

Bumps [unist-util-visit-children](https://github.com/syntax-tree/unist-util-visit-children) from 1.1.4 to 2.0.0.
- [Release notes](https://github.com/syntax-tree/unist-util-visit-children/releases)
- [Commits](syntax-tree/unist-util-visit-children@1.1.4...2.0.0)

---
updated-dependencies:
- dependency-name: unist-util-visit-children
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -55,6 +55,6 @@
     "pluralize": "^8.0.0",
     "prettier": "^2.4.1",
     "semver": "^7.3.5",
-    "unist-util-visit-children": "^1.1.4"
+    "unist-util-visit-children": "^2.0.0"
   }
 }