fix: add jdk options for java 21 virtual threads tests.

Author: He-Pin

project/JdkOptions.scala

@@ -49,6 +49,11 @@ object JdkOptions extends AutoPlugin {
 
   lazy val versionSpecificJavaOptions =
     if (isJdk17orHigher) {
+      // for virtual threads
+      "--add-opens=java.base/sun.misc=ALL-UNNAMED" ::
+      "--add-opens=java.base/jdk.internal.misc=ALL-UNNAMED" ::
+      "--add-opens=java.base/java.lang=ALL-UNNAMED" ::
+      "--add-opens=java.base/java.util=ALL-UNNAMED" ::
       // for aeron
       "--add-opens=java.base/sun.nio.ch=ALL-UNNAMED" ::
       // for LevelDB