Adds ktexttemplate as apt package to new_docker_build.sh and builds successfully

qt6-after/qt6-migrated-legatus/Lts/DDS/DdsUnitTests/data_topic_tests.h

@@ -6,6 +6,8 @@
 #include <DdsUnitTests/ddsut_dtc_types.h>
 #include <DdsUnitTests/ddsut_dts_types.h>
 #include <QtCore/QObject>
+#include <dds/pub/Publisher.hpp>
+#include <dds/sub/Subscriber.hpp>
 
 namespace NGL
 {