Werk #15996: agent_azure: Add support for China

Component	Checks & agents
Title	agent_azure: Add support for China
Date	Jul 20, 2023
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.3.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.3.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

We use the following URLs for the given authorities:

• Global: Login into 'https://login.microsoftonline.com', get data from 'https://graph.microsoft.com'
• China: Login into 'https://login.partner.microsoftonline.cn', get data from 'https://microsoftgraph.chinacloudapi.cn'

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