Update rpm to version 4.19.1 / rev 311 via SR 1143331
https://build.opensuse.org/request/show/1143331
by user dirkmueller + anag+factory
- buildrequire setuptools
- Fix python-module compatibility with older distros
- Fix usage of deprecated AsVoidPtr Python/C API,
- adapt buildrequires
- adapt buildrequires