Werk #14866: Windows powershell plugins generate Utf-8 output by default

Component	Checks & agents
Title	Windows powershell plugins generate Utf-8 output by default
Date	Sep 14, 2022
Level	Prominent Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Since this release, the output of all Windows powershell plugins is configured as Utf-8 thus eliminating any problems with non-ASCII symbols in the output.

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