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/backends/task/Task.java

@@ -27,7 +27,7 @@
import java.util.TimeZone;
import java.util.UUID;

import javax.mail.MessagingException;
import jakarta.mail.MessagingException;

import org.forgerock.i18n.LocalizableMessage;
import org.forgerock.i18n.LocalizableMessageDescriptor.Arg2;