Move chronicle-core version from SNAPSHOT to STABLE, and include carrotsearch on pom.xml dependency list

Closes #358

 patch by Marvin Froeder; reviewed by Mick Semb Wever for CASSANDRA-15321

CHANGES.txt

@@ -1,4 +1,5 @@
 4.0-alpha2
+ * Move chronicle-core version from snapshot to stable, and include carrotsearch in generated pom.xml (CASSANDRA-15321)
  * Untangle RepairMessage sub-hierarchy of messages, use new messaging (more) correctly (CASSANDRA-15163)
  * Add `allocate_tokens_for_local_replication_factor` option for token allocation (CASSANDRA-15260)
  * Add Alibaba Cloud Platform snitch (CASSANDRA-15092)

build.xml

@@ -118,7 +118,7 @@
 
     <!-- https://mvnrepository.com/artifact/net.openhft/chronicle-bom/1.16.23 -->
     <property name="chronicle-queue.version" value="4.16.3" />
-    <property name="chronicle-core.version" value="1.16.3-SNAPSHOT" />
+    <property name="chronicle-core.version" value="1.16.4" />
     <property name="chronicle-bytes.version" value="1.16.3" />
     <property name="chronicle-wire.version" value="1.16.1" />
     <property name="chronicle-threads.version" value="1.16.0" />
@@ -772,6 +772,7 @@
         <dependency groupId="com.github.ben-manes.caffeine" artifactId="caffeine" />
         <dependency groupId="org.jctools" artifactId="jctools-core"/>
         <dependency groupId="org.ow2.asm" artifactId="asm" />
+        <dependency groupId="com.carrotsearch" artifactId="hppc" version="0.5.4" />
       </artifact:pom>
       <artifact:pom id="dist-pom"
                     artifactId="apache-cassandra"