Update dependency org.apache.maven.plugins:maven-compiler-plugin to v3.15.0

Author: renovate[bot]

pom.xml

@@ -21,7 +21,7 @@
         <logback-classic.version>1.4.8</logback-classic.version>
         <junit.version>5.9.3</junit.version>
         <jib.maven.plugin.version>3.3.2</jib.maven.plugin.version>
-        <maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>
     </properties>
 
     <dependencies>