Updating changelog and version for v1.63.4 release

Author: Scott Crosby

scheduler/CHANGELOG.md

@@ -4,6 +4,12 @@ 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/).
 
+## [1.63.4] - 2022-09-21
+### Fixed
+- Fixed bug in parallelized Kubernetes watch processing, from @scrosby
+### Changed
+- Make prometheus JVM metrics use compute cluster name, from @samincheva
+
 ## [1.63.3] - 2022-09-13
 ### Changed
 - Parallelize Kubernetes watch processing, 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 "1.63.4-SNAPSHOT"
+(defproject cook "1.63.4"
   :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"]