Werk #12781: Update monitoring-plugins from 2.3 to 2.3.1

Component Checks & agents
Title Update monitoring-plugins from 2.3 to 2.3.1
Date Apr 22, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.1.0i1
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed

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