Update provider-k3s,rke2 and kubeadm version to v4.6.0

Author: santhoshdaivajna

Earthfile

@@ -28,9 +28,9 @@ ARG RKE2_FLAVOR_TAG=rke2r1
 ARG BASE_IMAGE_URL=quay.io/kairos
 ARG OSBUILDER_VERSION=v0.300.4
 ARG OSBUILDER_IMAGE=quay.io/kairos/osbuilder-tools:$OSBUILDER_VERSION
-ARG K3S_PROVIDER_VERSION=v4.6.0-rc.3
-ARG KUBEADM_PROVIDER_VERSION=v4.6.0-rc.2
-ARG RKE2_PROVIDER_VERSION=v4.6.0-rc.3
+ARG K3S_PROVIDER_VERSION=v4.6.0
+ARG KUBEADM_PROVIDER_VERSION=v4.6.0
+ARG RKE2_PROVIDER_VERSION=v4.6.0
 ARG NODEADM_PROVIDER_VERSION=v4.6.0-rc.3
 
 # Variables used in the builds. Update for ADVANCED use cases only. Modify in .arg file or via CLI arguments.