package/python-py: security bump to version 1.10.0

package/python-py: security bump to version 1.10.0

Fix CVE-2020-29651: A denial of service via regular expression in the
py.path.svnwc component of py (aka python-py) through 1.9.0 could be
used by attackers to cause a compute-time denial of service attack by
supplying malicious input to the blame functionality.

Add py/_vendored_packages/iniconfig-1.1.1.dist-info/LICENSE (MIT) which
has been added with
https://github.com/pytest-dev/py/commit/94cf44fd41d957eb50773d3e4fb54e931836779e

https://github.com/pytest-dev/py/blob/1.10.0/CHANGELOG.rst

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>