Upgrade hazelcast from 5.3.6 to 5.3.8

Author: sikeoka

geowebcache/pom.xml

@@ -77,7 +77,7 @@
     <test.maxHeapSize>64M</test.maxHeapSize>
     <maven.test.jvmargs></maven.test.jvmargs>
     <imageio-ext.version>1.4.14</imageio-ext.version>
-    <hazelcast.version>5.3.6</hazelcast.version>
+    <hazelcast.version>5.3.8</hazelcast.version>
     <joda-time.version>2.8.1</joda-time.version>
     <spotless.action>apply</spotless.action>
     <spotless.apply.skip>false</spotless.apply.skip>