x11/cinnamon: unbreak build with Meson 0.61.0

docs/reference/cinnamon-js/meson.build:11:6: ERROR: gnome.gtkdoc keyword argument 'dependencies' was of type array[CustomTarget] but should have been array[Dependency | SharedLibrary | StaticLibrary]

PR: 260943
Reported by: antoine (via exp-run)
Regressed by: https://github.com/mesonbuild/meson/commit/566c2c9a9c98