Keptn 0.11.4

This is a hotfix release for Keptn 0.11.x, containing a bug fix for the jmeter-service.

Bug Fixes

• Update the jmeter-service to JMeter 5.4.2 (#6429) (ef8b728)

Upgrade to 0.11.x

• The upgrade from 0.10.x to 0.11.x is supported by the keptn upgrade command. Find the documentation here: Upgrade from Keptn 0.10.x to 0.11.x