Set minimum version of core utility parameters example to Java 11 to allow GitHub workflows to check minimum compatible Java version.

Author: phipag

examples/powertools-examples-core-utilities/sam-graalvm/pom.xml

@@ -10,8 +10,8 @@
 
     <properties>
         <log4j.version>2.24.0</log4j.version>
-        <maven.compiler.source>21</maven.compiler.source>
-        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <aspectj.version>1.9.22.1</aspectj.version>
     </properties>