Slicer latest preview release not working on Ubuntu 20?

This patch allows to include the missing ITK library in the package :

diff --git a/CMake/SlicerBlockInstallCMakeProjects.cmake b/CMake/SlicerBlockInstallCMakeProjects.cmake
index b98f948e8f..6fca3cb21e 100644
--- a/CMake/SlicerBlockInstallCMakeProjects.cmake
+++ b/CMake/SlicerBlockInstallCMakeProjects.cmake
@@ -26,6 +26,8 @@ if(NOT "${ITK_DIR}" STREQUAL "" AND EXISTS "${ITK_DIR}/CMakeCache.txt")
   set(CPACK_INSTALL_CMAKE_PROJECTS "${CPACK_INSTALL_CMAKE_PROJECTS};${ITK_DIR};ITK;libraries;/")
   # HDF5 - hdf5_cpp
   set(CPACK_INSTALL_CMAKE_PROJECTS "${CPACK_INSTALL_CMAKE_PROJECTS};${ITK_DIR};ITK;cpplibraries;/")
+  # HDF5 - hdf5_hl
+  set(CPACK_INSTALL_CMAKE_PROJECTS "${CPACK_INSTALL_CMAKE_PROJECTS};${ITK_DIR};ITK;hllibraries;/")
   # HDF5 until ITK4. final, then it can be removed
   set(CPACK_INSTALL_CMAKE_PROJECTS "${CPACK_INSTALL_CMAKE_PROJECTS};${ITK_DIR};ITK;Unspecified;/")

Hopefully, it may get fixed in master.