Remove K8s v1.27.x from the techprev_versions list
Created by: matofeder
This PR removes K8s v1.27.x from the techprev_versions
list and allows its deployment without --allow-preview-versions flag
/tested
- k8s v1.27.3 deployed without any
allow-preview-versions
warnings/errors if variablekubernetes_version = "v1.27.x"
was set - sonobuoy
check-conformance
passed
Closes #450 (closed)