patch https://de1.api.central.arubanetworks.com/network-config/v1alpha1/http-proxy-servers
Use this to configure HTTP proxy settings. On AP, HTTP Proxy settings is for downloading the image from the
cloud server, or to route the web classification queries through the proxy server. On SW_CX and SW_PVOS, the
HTTP Proxy configuration is utilized to connect to Activate server and HPE ANW Central.
This feature is applicable for AP, SW_CX and SW_PVOS.