fix: update CRD with primaryMAC + dc fields

Author: shtse8

config/crd/bases/infrastructure.cluster.x-k8s.io_hetznerrobotclusters.yaml

@@ -67,6 +67,12 @@ spec:
                 - host
                 - port
                 type: object
+              dc:
+                description: |-
+                  DC is the Hetzner datacenter identifier (e.g. "fsn1", "nbg1", "hel1").
+                  Used in hostname generation: compute-<dc>-<serverID>.
+                  Defaults to "fsn1" if not set.
+                type: string
               robotSecretRef:
                 description: |-
                   RobotSecretRef references the secret containing Hetzner Robot API credentials.

config/crd/bases/infrastructure.cluster.x-k8s.io_hetznerrobotmachines.yaml

@@ -230,6 +230,12 @@ spec:
                   RequeueAfter, so the controller checks this timestamp to skip premature reconciles.
                 format: date-time
                 type: string
+              primaryMAC:
+                description: |-
+                  PrimaryMAC is the MAC address of the primary NIC, auto-detected during rescue.
+                  Used for Talos deviceSelector — hardware-based NIC identification that works
+                  regardless of OS naming (rescue eth0 vs Talos enp193s0f0np0).
+                type: string
               provisioningState:
                 description: ProvisioningState is the current state of provisioning.
                 type: string