[2.3.0] Checkmk Werk 16643 created: Licensing: Introduce grace period for unlicensed state

[//]: # (werk v2) # Licensing: Introduce grace period for unlicensed state key | value ---------- | --- date | 2024-03-27T15:55:26+00:00 version | 2.3.0p1 class | fix edition | cce component | wato level | 1 compatible | yes To lessen the impact of a setup becoming unlicensed, there is now a 7 day grace period before becoming unlicensed. In this time only warnings will be shown so that users have the opportunity to fix the licensing issues.