Update maven.version to v3.9.5

Author: renovate[bot]

pom.xml

@@ -106,7 +106,7 @@
     <mariadb-client.version>3.2.0</mariadb-client.version>
     <maven-plugin-sisu.version>0.3.5</maven-plugin-sisu.version>
     <maven-shared-utils.version>3.4.2</maven-shared-utils.version>
-    <maven.version>3.8.8</maven.version>
+    <maven.version>3.9.5</maven.version>
     <mockito.version>5.6.0</mockito.version>
     <plexus-utils.version>3.5.1</plexus-utils.version>
     <plugin-dockerfile.version>1.4.13</plugin-dockerfile.version>