rpm-ostree.spec.in: Update rust macro usage

The rust-toolset macros in RHEL 10 are now compatible with Fedora's in
terms of handling vendoring and automatic generation of license information
and bundled provides.

This upstreams the contribution from yselkowitz on Fedora:
https://src.fedoraproject.org/fork/yselkowitz/rpms/rpm-ostree/c/6a9a20578f547f2fc0ce7801797cab076afa0873

packaging/rpm-ostree.spec.in

@@ -178,6 +178,11 @@ export RUSTFLAGS="%{build_rustflags}"
   %{?with_rhsm:--enable-featuresrs=rhsm}
 
 %make_build
+%if 0%{?fedora} || 0%{?rhel} >= 10
+%cargo_license_summary
+%{cargo_license} > LICENSE.dependencies
+%cargo_vendor_manifest
+%endif
 
 %install
 %make_install INSTALL="install -p -c"
@@ -253,6 +258,10 @@ fi
 %doc COPYING.GPL COPYING.LGPL LICENSE README.md
 
 %files libs -f files.lib
+%if 0%{?fedora} || 0%{?rhel} >= 10
+%license LICENSE.dependencies
+%license cargo-vendor.txt
+%endif
 
 %files devel -f files.devel