Fixed Cyrillic с in 'kube-proxy-cm' (#7787)

There was a typo (wrong character) in kube-proxy-cm.yaml - Cyrillic с (UTF-8 0x0441) was used instead of Latin c.

docs/setup/independent/high-availability.md

@@ -577,7 +577,7 @@ Next provision and set up the worker nodes. To do this, you will need to provisi
 1. Reconfigure kube-proxy to access kube-apiserver via the load balancer:
 
    ```shell
-   kubectl get configmap -n kube-system kube-proxy -o yaml > kube-proxy-сm.yaml
+   kubectl get configmap -n kube-system kube-proxy -o yaml > kube-proxy-cm.yaml
    sed -i 's#server:.*#server: https://<masterLoadBalancerFQDN>:6443#g' kube-proxy-cm.yaml
    kubectl apply -f kube-proxy-cm.yaml --force
    # restart all kube-proxy pods to ensure that they load the new configmap