Werk #11958: Update openssl to 1.1.1k

Component	Other components
Title	Update openssl to 1.1.1k
Date	Apr 12, 2021
Level	Trivial Change
Class	Security Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.1.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 2.0.0p2 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Updating openssl because of security fixes.

To the list of all Werks