Bump follow-redirects, browser-sync and generator-jhipster

Bumps [follow-redirects](https://github.com/follow-redirects/follow-redirects) to 1.15.6 and updates ancestor dependencies [follow-redirects](https://github.com/follow-redirects/follow-redirects), [browser-sync](https://github.com/BrowserSync/browser-sync) and [generator-jhipster](https://github.com/jhipster/generator-jhipster). These dependencies need to be updated together.


Updates `follow-redirects` from 1.14.4 to 1.15.6
- [Release notes](https://github.com/follow-redirects/follow-redirects/releases)
- [Commits](follow-redirects/follow-redirects@v1.14.4...v1.15.6)

Updates `follow-redirects` from 1.5.10 to 1.15.6
- [Release notes](https://github.com/follow-redirects/follow-redirects/releases)
- [Commits](follow-redirects/follow-redirects@v1.14.4...v1.15.6)

Updates `browser-sync` from 2.26.7 to 2.29.3
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/CHANGELOG.md)
- [Commits](BrowserSync/browser-sync@v2.26.7...v2.29.3)

Updates `generator-jhipster` from 6.10.3 to 8.1.0
- [Release notes](https://github.com/jhipster/generator-jhipster/releases)
- [Commits](jhipster/generator-jhipster@v6.10.3...v8.1.0)

---
updated-dependencies:
- dependency-name: follow-redirects
  dependency-type: indirect
- dependency-name: follow-redirects
  dependency-type: indirect
- dependency-name: browser-sync
  dependency-type: direct:development
- dependency-name: generator-jhipster
  dependency-type: direct:development
...

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

Author: dependabot[bot]