Updates changelog and version for v1.59.6

Author: samincheva

scheduler/CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.59.6] - 2022-05-31
+### Changed
+- Updated scheduler, compute cluster, and kubernetes API code to use structured logging, from @samincheva
+
 ## [1.59.5] - 2022-05-10
 ### Added
 - Development documentation for Cook, from @scrosby

scheduler/project.clj

@@ -13,7 +13,7 @@
 ;; See the License for the specific language governing permissions and
 ;; limitations under the License.
 ;;
-(defproject cook "1.59.6-SNAPSHOT"
+(defproject cook "1.59.6"
   :description "This launches jobs on a Mesos cluster with fair sharing and preemption"
   :license {:name "Apache License, Version 2.0"}
   :dependencies [[org.clojure/clojure "1.10.3"]