chore(dependencies): Autobump spinnakerGradleVersion (#917) (#926)

Co-authored-by: root <root@2dd4f76bffcc>
(cherry picked from commit 428e27a)

Co-authored-by: spinnakerbot <spinbot@spinnaker.io>

gradle.properties

@@ -1,6 +1,6 @@
 korkVersion=7.146.0
 org.gradle.parallel=true
-spinnakerGradleVersion=8.23.0
+spinnakerGradleVersion=8.24.0
 targetJava11=true
 
 # To enable a composite reference to a project, set the