Update maven-plugin-plugin.version to v3.15.2

Author: renovate[bot]

tooling/conga-maven-plugin/pom.xml

@@ -40,7 +40,7 @@
     <site.url.module.prefix>tooling/conga-maven-plugin</site.url.module.prefix>
 
     <!-- Versions -->
-    <maven-plugin-plugin.version>3.15.1</maven-plugin-plugin.version>
+    <maven-plugin-plugin.version>3.15.2</maven-plugin-plugin.version>
 
     <!-- Enable recording of coverage during execution of maven-invoker-plugin -->
     <jacoco.propertyName>invoker.mavenOpts</jacoco.propertyName>