Merge branch 'ncsa-security' into 'main'

CHANGELOG.md

README.md

terraform/modules/rke1/cluster.example.json

terraform/modules/rke1/nodes.tf

terraform/modules/rke1/providers.tf

terraform/modules/rke1/security_group.tf

terraform/modules/rke1/templates/user_data.tmpl

terraform/modules/rke1/variables.tf