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.

infrastructure/addons/kustomization-ccm.yaml

@@ -11,5 +11,5 @@ spec:
     name: platform
   path: ./infrastructure/addons/ccm
   wait: true
-  timeout: 5m
-  suspend: true
+  timeout: 10m
+  suspend: false

infrastructure/addons/kustomization-csi.yaml

@@ -10,8 +10,8 @@ spec:
     kind: GitRepository
     name: platform
   path: ./infrastructure/addons/csi
-  # dependsOn:
-  #   - name: addon-ccm  # Deferred - CCM suspended for stable baseline
+  dependsOn:
+    - name: addon-ccm
   wait: true
-  timeout: 5m
-  suspend: true
+  timeout: 10m
+  suspend: false