deps(dev): bump @types/gh-pages from 5.0.1 to 6.1.0 (#1431)

Bumps [@types/gh-pages](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/gh-pages) from 5.0.1 to 6.1.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/gh-pages)

---
updated-dependencies:
- dependency-name: "@types/gh-pages"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -325,7 +325,7 @@
     "@types/diff": "^5.0.2",
     "@types/eslint": "^8.4.1",
     "@types/fs-extra": "^11.0.1",
-    "@types/gh-pages": "^5.0.0",
+    "@types/gh-pages": "^6.1.0",
     "@types/listr": "^0.14.2",
     "@types/pascalcase": "^1.0.0",
     "@types/polka": "^0.5.2",