build(deps-dev): bump gh-pages from 2.2.0 to 3.0.0 (#6738)

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 2.2.0 to 3.0.0.
- [Release notes](https://github.com/tschaub/gh-pages/releases)
- [Changelog](https://github.com/tschaub/gh-pages/blob/master/changelog.md)
- [Commits](https://github.com/tschaub/gh-pages/compare/v2.2.0...v3.0.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -99,7 +99,7 @@
     "enzyme": "^3.11.0",
     "eslint": "^6.8.0",
     "express": "^4.17.1",
-    "gh-pages": "^2.0.1",
+    "gh-pages": "^3.0.0",
     "husky": "^4.0.7",
     "jsdom-global": "^3.0.2",
     "lint-staged": "^10.0.0",