chore: Bump gh-pages from 3.2.3 to 4.0.0 (#296)

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 3.2.3 to 4.0.0.
- [Release notes](https://github.com/tschaub/gh-pages/releases)
- [Changelog](https://github.com/tschaub/gh-pages/blob/main/changelog.md)
- [Commits](tschaub/gh-pages@v3.2.3...v4.0.0)

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

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

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

Author: dependabot[bot]

package.json

@@ -73,7 +73,7 @@
     "eslint-plugin-react": "^7.20.6",
     "father": "^2.29.6",
     "father-build": "^1.18.6",
-    "gh-pages": "^3.1.0",
+    "gh-pages": "^4.0.0",
     "glob": "^7.1.6",
     "jquery": "^3.3.1",
     "less": "^3.12.2",