Update python-coverage to version 7.0.3 / rev 51 via SR 1055949
https://build.opensuse.org/request/show/1055949
by user dirkmueller + dimstar_suse
- update to 7.0.3:
* Fix: when using pytest-cov or pytest-xdist, or perhaps both, the
combining step could fail with ``assert row is not None`` using 7.0.2.