As per https://learn.hashicorp.com/tutorials/vault/namespaces, setting VAULT_NAMESPACE env var is a completely supported mechanism to make all vault command use said namespace, so hashi_vault lookup function should do the same.
Co-authored-by: Holt Wilkins <hwilkins@palantir.com>
(cherry picked from commit 1a5702cf21)
Co-authored-by: holtwilkins <5665043+holtwilkins@users.noreply.github.com>
