Prepare next release

Author: kinow

README.md

@@ -576,7 +576,7 @@ by plug-ins, API or scripts. Please see [this issue](https://issues.jenkins-ci.o
 
 ## Release Notes
 
-### Version 2.6.0 (2021/??/??)
+### Version 2.6.0 (2022/02/27)
 
 1. [JENKINS-63983](https://issues.jenkins.io/browse/JENKINS-63983): Active Choice Plugin - Annotation Grapes cannot be used in the sandbox (thanks to @rafeeqpv)
 2. [JENKINS-66411](https://issues.jenkins.io/browse/JENKINS-66411): Add checkbox to enable/disable Scriptler scripts, and remove duplicated Scriptler code (use a property in Jelly).