Enable Hetzner CCM and CSI for cloud provider integration

- Enable --kubelet-arg=cloud-provider=external on all nodes (control planes and workers)
- Activate CCM Kustomization with 10m timeout for Hetzner cloud-controller-manager
- Activate CSI Kustomization with dependsOn CCM and 10m timeout for hcloud-csi
- Update deploy workflow to wait for CCM/CSI readiness (600s timeout)
- Add providerID verification to post-deploy health checks

This enables proper cloud provider integration with Hetzner CCM for node
labeling and Hetzner CSI for persistent volume provisioning.

ansible/roles/k3s-agent/defaults/main.yml

@@ -3,4 +3,4 @@ k3s_version: latest
 k3s_server_url: ""
 k3s_token: ""
 k3s_node_ip: ""
-k3s_kubelet_cloud_provider_external: false
+k3s_kubelet_cloud_provider_external: true

ansible/roles/k3s-server/defaults/main.yml

@@ -5,4 +5,4 @@ k3s_node_ip: ""
 k3s_primary_public_ip: ""
 k3s_disable_embedded_ccm: true
 k3s_disable_servicelb: true
-k3s_kubelet_cloud_provider_external: false
+k3s_kubelet_cloud_provider_external: true