Werk #12837: NagVis: Updated to 1.9.26

Component	Other components
Title	NagVis: Updated to 1.9.26
Date	Jul 3, 2021
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.1.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 2.0.0p7 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

To the list of all Werks