Build(deps): bump py from 1.8.1 to 1.10.0

Bumps [py](https://github.com/pytest-dev/py) from 1.8.1 to 1.10.0.
- [Release notes](https://github.com/pytest-dev/py/releases)
- [Changelog](https://github.com/pytest-dev/py/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/py/compare/1.8.1...1.10.0)

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -22,7 +22,7 @@ packaging==19.2
 pathspec==0.7.0
 pkginfo==1.5.0.1
 pluggy==0.13.1
-py==1.8.1
+py==1.10.0
 pycparser==2.19
 Pygments==2.5.2
 pyparsing==2.4.6