File project.diff of Package cargo-packaging

--- cargo-packaging.spec.orig
+++ cargo-packaging.spec
@@ -25,6 +25,7 @@ Group:          Development/Languages/Ru
 URL:            https://github.com/Firstyear/cargo-packaging
 Source0:        %{name}-%{version}.tar.zst
 Source1:        vendor.tar.zst
+Patch0:         rpm-declarative.patch
 Requires:       cargo-auditable
 # IBS/OBS can't work out what version of rust to use if you rely on
 # the rust+cargo requires, so we have to ask for cargo directly.