macros.cargo: vacuum up Cargo.toml.orig in addition to Cargo.lock

This fixes builds with cargo from Rust 1.62+, which now complains
and fails our builds if the Cargo.toml.orig file already exists.

data/macros.cargo

@@ -44,6 +44,7 @@ registry = "https://crates.io"\
 replace-with = "local-registry"\
 EOF\
 %{__rm} -f Cargo.lock \
+%{__rm} -f Cargo.toml.orig \
 )
 
 %__cargo_parse_opts(naf:) %{shrink:\