Werk #13637: Backport support for SLES 15 SP3

Component	Linux distributions
Title	Backport support for SLES 15 SP3
Date	Feb 25, 2022
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.6.0p28 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

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