chore(deps): update dependency hashicorp/terraform to v1.5.1

See merge request https://gitlab.com/gitlab-org/terraform-images/-/merge_requests/217



Merged-by: Tiger Watson <twatson@gitlab.com>
Approved-by: Tiger Watson <twatson@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>
Co-authored-by: Timo Furrer <tfurrer@gitlab.com>