HDDS-14781. Bump maven-compiler-plugin to 3.15.0 (#9883)

Author: dependabot[bot]

pom.xml

@@ -141,7 +141,7 @@
     <maven-assembly-plugin.version>3.8.0</maven-assembly-plugin.version>
     <maven-checkstyle-plugin.version>3.6.0</maven-checkstyle-plugin.version>
     <maven-clean-plugin.version>3.4.0</maven-clean-plugin.version>
-    <maven-compiler-plugin.version>3.14.0</maven-compiler-plugin.version>
+    <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>
     <maven-dependency-plugin.version>3.10.0</maven-dependency-plugin.version>
     <maven-deploy-plugin.version>3.1.4</maven-deploy-plugin.version>
     <maven-enforcer-plugin.version>3.6.2</maven-enforcer-plugin.version>