fix: update the default kube-audit image tag and digest#750

Aashiq-J merged 19 commits intomainterraform-ibm-modules/terraform-ibm-base-ocp-vpc:mainfrom

kube-audit-tag-updateterraform-ibm-modules/terraform-ibm-base-ocp-vpc:kube-audit-tag-updateCopy head branch name to clipboard