Bump follow-redirects from 1.14.3 to 1.14.7 in /tests/headless (#1077)

Bumps [follow-redirects](https://github.com/follow-redirects/follow-redirects) from 1.14.3 to 1.14.7.
- [Release notes](https://github.com/follow-redirects/follow-redirects/releases)
- [Commits](follow-redirects/follow-redirects@v1.14.3...v1.14.7)

---
updated-dependencies:
- dependency-name: follow-redirects
  dependency-type: indirect
...

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

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