Update dependency maven to v3.9.9

Author: renovate[bot]

generators/maven/templates/.mvn/wrapper/maven-wrapper.properties

@@ -15,4 +15,4 @@
 # specific language governing permissions and limitations
 # under the License.
 wrapperVersion=3.3.2
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.8/apache-maven-3.9.8-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip