Please tag a new release
v6.0.0 has a ton of problems that prevent packagers from being able to ship it. See https://repology.org/project/libgda/versions for evidence of how uncommon it is for distros to provide v6.0.0.
But lots of these problems have been fixed upstream in the last year. Please make a new release so we can try again to ship it. The latest release of GNOME/gtranslator depends on libgda-6.0.0.