Update dependency maven to v3.9.15

Author: renovate-bot

.mvn/wrapper/maven-wrapper.properties

@@ -16,4 +16,4 @@
 # under the License.
 wrapperVersion=3.3.4
 distributionType=only-script
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.14/apache-maven-3.9.14-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.15/apache-maven-3.9.15-bin.zip