feat: add vip_nodename

kube-vip/kube-vip#811

without this, there will be a warning

Author: maxisam

templates/kube-vip/kube-vip.yml.j2

@@ -32,6 +32,10 @@ spec:
         env:
         - name: vip_arp
           value: "true"
+        - name: vip_nodename
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName          
         - name: vip_interface
           value: "{{ rke2_interface | default(ansible_default_ipv4.interface | default(ansible_default_ipv6.interface)) }}"
         - name: port