Utilities/Release: Add docker spec for STGZ package on Linux
The spec added by !3727 (merged) generates only the TGZ package, but the old Utilities/Release/linux64_release.cmake
script also generated a STGZ package.
The spec added by !3727 (merged) generates only the TGZ package, but the old Utilities/Release/linux64_release.cmake
script also generated a STGZ package.