kubectl-gs release v1.46.0

Added

• Find Cluster resources on AWS based on the giantswarm.io/cluster label if the cluster.x-k8s.io/cluster-name label does not yield results.
• Add cluster.x-k8s.io/cluster-name label to all CRs created by AWS Cluster and Nodepol templating.

Changed

• Usa CAPI templates for all releases from v20.0.0-alpha1 onwards, to include alpha and beta releases.
• Move AWS Cluster templating from apiextensions
• Move AWS Node Pool templating from apiextensions