partially reverting CVE-2023-27043-email-parsing-errors.patch, because of the regression in gh#python/cpython#106669. OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:Factory/python310?expand=0&rev=103
stabilizing FLAG_REF usage (required for reproduceability; bsc#1213463). OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:Factory/python310?expand=0&rev=101