Werk #13013: Add support for Ubuntu 22.04

Component	Setup, site management
Title	Add support for Ubuntu 22.04
Date	May 11, 2022
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.1.0b9 Checkmk Enterprise (CEE), Checkmk MSP (CME)

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