Update target JDK to 11 and move to JakartaEE 9 (#532)

Maxim Thomas

18.14.2025 f25db7bc6eab263f17ace0d6b7deb9e8e7acf409

 opendj-server-legacy/src/main/java/org/opends/server/util/Platform.java

@@ -63,7 +63,7 @@
  private static final PlatformIMPL IMPL;

  /** The minimum java supported version. */
  public static final String JAVA_MINIMUM_VERSION_NUMBER = "8";
  public static final String JAVA_MINIMUM_VERSION_NUMBER = "11";

  static
  {