Bump py from 1.9.0 to 1.10.0 in /examples/simple-extension

Bumps [py](https://github.com/pytest-dev/py) from 1.9.0 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](pytest-dev/py@1.9.0...1.10.0)

---
updated-dependencies:
- dependency-name: py
  dependency-type: indirect
...

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Author: dependabot[bot]