/usr/share/cli-common/packages.d/libgdcm-cil.installcligac is in libgdcm-cil 2.6.3-3ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
/usr/lib/cli/gdcm-sharp-2.6/gdcm-sharp.dll