Merge branch 'leipert-rework-vite-hmr' into 'main'

Vite: Expose host and hostname in the config, also add a setting for hot module reloading

See merge request https://gitlab.com/gitlab-org/gitlab-development-kit/-/merge_requests/3501



Merged-by: Toon Claes <toon@gitlab.com>
Approved-by: Toon Claes <toon@gitlab.com>
Reviewed-by: Lukas 'Eipi' Eipert <leipert@gitlab.com>
Reviewed-by: Toon Claes <toon@gitlab.com>
Co-authored-by: Lukas Eipert <leipert@gitlab.com>