Upgrade: Bump gh-pages from 2.2.0 to 5.0.0 (#359)

Bumps [gh-pages](https://github.com/tschaub/gh-pages) from 2.2.0 to 5.0.0.
- [Release notes](https://github.com/tschaub/gh-pages/releases)
- [Changelog](https://github.com/tschaub/gh-pages/blob/main/changelog.md)
- [Commits](tschaub/gh-pages@v2.2.0...v5.0.0)

---
updated-dependencies:
- dependency-name: gh-pages
  dependency-type: direct:development
...

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

package.json

@@ -33,7 +33,7 @@
     "@babel/preset-env": "^7.12.11",
     "cross-env": "^5.2.0",
     "fs-extra": "^5.0.0",
-    "gh-pages": "^2.0.1",
+    "gh-pages": "^5.0.0",
     "md5-file": "^5.0.0",
     "open": "^7.3.1",
     "rollup": "^1.4.1",