Bump qs and gh-pages

Bumps [qs](https://github.com/ljharb/qs) to 6.4.1 and updates ancestor dependency [gh-pages](https://github.com/tschaub/gh-pages). These dependencies need to be updated together.


Updates `qs` from 1.2.2 to 6.4.1
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v1.2.2...v6.4.1)

Updates `gh-pages` from 0.12.0 to 6.1.1
- [Release notes](https://github.com/tschaub/gh-pages/releases)
- [Changelog](https://github.com/tschaub/gh-pages/blob/main/changelog.md)
- [Commits](tschaub/gh-pages@v0.12.0...v6.1.1)

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

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

package.json

@@ -41,7 +41,7 @@
     "@types/jasmine": "2.5.38",
     "@types/node": "6.0.60",
     "codelyzer": "2.0.0",
-    "gh-pages": "0.12.0",
+    "gh-pages": "6.1.1",
     "jasmine-core": "2.5.2",
     "jasmine-spec-reporter": "3.2.0",
     "karma": "6.4.3",