ci: Adjust cache policy for build that runs 'make check'
ci: Adjust cache policy for build that runs 'make check'

'make check' compiles and runs some tests that have not been run
in other builds, so it downloads some extra crates that should be
cached. Thus upload the cache from the "acceptance test" build.

GNOME/librsvg,GNOME/librsvg,GNOME/librsvg,GNOME/librsvg