Change log update (#5069)

* change log & CI version update

Signed-off-by: Rajshekar Chavakula <rchavakula.ctr@sumologic.com>

.circleci/config.yml

@@ -6,7 +6,7 @@ orbs:
 parameters:
   go_version:
     type: string
-    default: "1.21.3"
+    default: "1.21.11"
 
 sensu_go_build_env: &sensu_go_build_env
   docker:

CHANGELOG-6.md

@@ -6,17 +6,20 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic
 Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [6.11.0] - 2024-01-31
+## [6.12.0] - 2024-11-13
 
 ### Fixed
 - Manual check execution of scheduled check will also be able to fetch the matched entities
 
-## [6.11.0] - 2024-01-31
-
 ### Added
 - Added `max-silenced-expiry-time-allowed` (in minutes) backend configuration variable to control maximum time an alert can be silenced.
 - Added `default-silenced-expiry-time` (in minutes) backend configuration variable to create silenced with a default expiry time if user doesn't set expiry time while creating an silence.
 
+### Changed
+- Upgraded CI Go version to 1.21.11
+
+
+## [6.11.0] - 2024-01-31
 
 ### Changed
 - Upgraded CI Go version to 1.21.3