File cargo_config of Package appiconpreview

[source.crates-io]
replace-with = "vendored-sources"

[source."git+https://gitlab.gnome.org/gnome/librsvg"]
git = "https://gitlab.gnome.org/gnome/librsvg"
replace-with = "vendored-sources"

[source.vendored-sources]
directory = "vendor"