chore: bump version 6.11.0

Signed-off-by: Martin Chodur <[email protected]>

Author: FUSAKLA

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+
+## [v6.11.0] 2022-01-19
 ### Added
 - [#77](https://github.com/seznam/slo-exporter/pull/77) *Experimental* slo-rules-generator tool