Werk #14531: azure special agent: fix usagedetails section

Component	Agent bakery
Title	azure special agent: fix usagedetails section
Date	Aug 17, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.1.0p11 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

The usagedetails section was fetched using an api call that was no longer supported by microsoft.

This werk fixes the issue and now the Cost services are working again.

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