fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMGOOGLEGUAVA-5710356
- https://snyk.io/vuln/SNYK-JAVA-IONETTY-5725787
- https://snyk.io/vuln/SNYK-JAVA-IONETTY-5953332

pom.xml

@@ -70,7 +70,7 @@
             ${project.basedir}/../coverage-report/target/site/jacoco-aggregate/jacoco.xml
         </sonar.coverage.jacoco.xmlReportPaths>
         <!-- Axon Server -->
-        <axonserver-connector-java.version>4.6.3</axonserver-connector-java.version>
+        <axonserver-connector-java.version>2023.2.0</axonserver-connector-java.version>
         <!-- Caching -->
         <ehcache.version>2.10.9.2</ehcache.version>
         <ehcache3.version>3.10.8</ehcache3.version>