!12 升级rust-packaging版本至21

From: @duyiwei7w 
Reviewed-by: @jingxiaolu 
Signed-off-by: @jingxiaolu

rust-packaging.spec

@@ -3,7 +3,7 @@
 %global debug_package %{nil}
 
 Name:           rust-packaging
-Version:        20
+Version:        21
 Release:        1
 Summary:        RPM macros for building Rust packages on various architectures
 License:        MIT
@@ -65,6 +65,9 @@ py.test-%{python3_version} -vv test.py
 %{python3_sitelib}/rust2rpm-*.egg-info/
 
 %changelog
+* Tue Nov 08 2022 duyiwei <duyiwei@kylinos.cn> - 21-1
+- upgrade version to 21
+
 * Tue Jan 18 2022 SimpleUpdate Robot <tc@openeuler.org> - 20-1
 - Upgrade to version 20