Update metallb example configs (#10485)

inventory/sample/group_vars/k8s_cluster/addons.yml

@@ -176,33 +176,35 @@ cert_manager_enabled: false
 # MetalLB deployment
 metallb_enabled: false
 metallb_speaker_enabled: "{{ metallb_enabled }}"
-# metallb_speaker_nodeselector:
-#   kubernetes.io/os: "linux"
-# metallb_controller_nodeselector:
-#   kubernetes.io/os: "linux"
-# metallb_speaker_tolerations:
-#   - key: "node-role.kubernetes.io/master"
-#     operator: "Equal"
-#     value: ""
-#     effect: "NoSchedule"
-#   - key: "node-role.kubernetes.io/control-plane"
-#     operator: "Equal"
-#     value: ""
-#     effect: "NoSchedule"
-# metallb_controller_tolerations:
-#   - key: "node-role.kubernetes.io/master"
-#     operator: "Equal"
-#     value: ""
-#     effect: "NoSchedule"
-#   - key: "node-role.kubernetes.io/control-plane"
-#     operator: "Equal"
-#     value: ""
-#     effect: "NoSchedule"
 # metallb_version: v0.13.9
 # metallb_protocol: "layer2"
 # metallb_port: "7472"
 # metallb_memberlist_port: "7946"
 # metallb_config:
+#   speaker:
+#     nodeselector:
+#       kubernetes.io/os: "linux"
+#     tollerations:
+#       - key: "node-role.kubernetes.io/master"
+#         operator: "Equal"
+#         value: ""
+#         effect: "NoSchedule"
+#       - key: "node-role.kubernetes.io/control-plane"
+#         operator: "Equal"
+#         value: ""
+#         effect: "NoSchedule"
+#   controller
+#     nodeselector:
+#       kubernetes.io/os: "linux"
+#     tolerations:
+#       - key: "node-role.kubernetes.io/master"
+#         operator: "Equal"
+#         value: ""
+#         effect: "NoSchedule"
+#       - key: "node-role.kubernetes.io/control-plane"
+#         operator: "Equal"
+#         value: ""
+#         effect: "NoSchedule"
 #   address_pools:
 #     primary:
 #       ip_range: