[backport-1.6] check_versions_downgrade failing at schema
in the pipeline runs it seems check_versions_downgrade are failing for sylva 1.6 probably after the merge of https://gitlab.com/sylva-projects/sylva-core/-/merge_requests/7458 as while checking out for main dir it misses out some values which are required for helm template [check_version_downgrade](https://gitlab.com/sylva-projects/sylva-core/-/blob/release-1.6/.gitlab/ci/scripts/check_versions_downgrade.sh?ref_type=heads#L73-L74), pipeline runs failing this job:
- https://gitlab.com/sylva-projects/sylva-core/-/jobs/14438182829
- https://gitlab.com/sylva-projects/sylva-core/-/jobs/14442901248
issue