Enclose the cpu type with quotation marks in kubelet-config.v1beta1 (#11111)

Signed-off-by: tu1h <lihai.tu@daocloud.io>

roles/kubernetes/node/templates/kubelet-config.v1beta1.yaml.j2

@@ -64,7 +64,7 @@ clusterDNS:
 kubeReservedCgroup: {{ kube_reserved_cgroups }}
 kubeReserved:
 {% if is_kube_master | bool %}
-  cpu: {{ kube_master_cpu_reserved }}
+  cpu: "{{ kube_master_cpu_reserved }}"
   memory: {{ kube_master_memory_reserved }}
 {% if kube_master_ephemeral_storage_reserved is defined %}
   ephemeral-storage: {{ kube_master_ephemeral_storage_reserved }}
@@ -73,7 +73,7 @@ kubeReserved:
   pid: "{{ kube_master_pid_reserved }}"
 {% endif %}
 {% else %}
-  cpu: {{ kube_cpu_reserved }}
+  cpu: "{{ kube_cpu_reserved }}"
   memory: {{ kube_memory_reserved }}
 {% if kube_ephemeral_storage_reserved is defined %}
   ephemeral-storage: {{ kube_ephemeral_storage_reserved }}
@@ -87,7 +87,7 @@ kubeReserved:
 systemReservedCgroup: {{ system_reserved_cgroups }}
 systemReserved:
 {% if is_kube_master | bool %}
-  cpu: {{ system_master_cpu_reserved }}
+  cpu: "{{ system_master_cpu_reserved }}"
   memory: {{ system_master_memory_reserved }}
 {% if system_master_ephemeral_storage_reserved is defined %}
   ephemeral-storage: {{ system_master_ephemeral_storage_reserved }}
@@ -96,7 +96,7 @@ systemReserved:
   pid: "{{ system_master_pid_reserved }}"
 {% endif %}
 {% else %}
-  cpu: {{ system_cpu_reserved }}
+  cpu: "{{ system_cpu_reserved }}"
   memory: {{ system_memory_reserved }}
 {% if system_ephemeral_storage_reserved is defined %}
   ephemeral-storage: {{ system_ephemeral_storage_reserved }}