Checkmk Werk 15996: agent_azure: Add support for China

ID: 15996 Title: agent_azure: Add support for China Component: Checks & agents Level: 1 Class: New feature Version: 2.3.0b1 We use the following URLs for the given authorities: <ul> <li>Global: Login into 'https://login.microsoftonline.com', get data from 'https://graph.microsoft.com'</li> <li>China: Login into 'https://login.partner.microsoftonline.cn', get data from 'https://microsoftgraph.chinacloudapi.cn'</li> </ul>