Merge branch 'mbradburn-update-jwt' into 'main'

Update jwt to newest 3.x version

See merge request https://gitlab.com/gitlab-org/ci-cd/docker-machine/-/merge_requests/117



Merged-by: Axel von Bertoldi <avonbertoldi@gitlab.com>
Approved-by: Axel von Bertoldi <avonbertoldi@gitlab.com>
Co-authored-by: Matthew Bradburn <mbradburn-ext@gitlab.com>