re-cythonize files via cythonize -3

[asottile-sentry]

see also #341

• fixes #

Checklist:

• Add tests that demonstrate the correct behavior of the change. Tests should fail without the change.
• Add or update relevant docs, in the docs folder and in code.
• Ensure PR doesn't contain untouched code reformatting: spaces, etc.
• Run flake8 and fix issues.
• Run pytest no tests failed. See https://clickhouse-driver.readthedocs.io/en/latest/development.html.

[xzkostyan]

Thanks for PR. To make tests green we need to install newer coverage version and re-cythonize clickhouse-cityhash. I'm stuck in the last thing. It seems that upstream is not ready for 3.11 yet: escherba/python-cityhash#73.

Draft branch with changes for 3.11: master...wheels-for-3.11

[asottile-sentry]

the call to coverage uses the old py.test name rather than pytest -- want to cherry pick my latest commit here into your branch? it'll likely get further

[coveralls]

Coverage remained the same at 96.504% when pulling 6cb3590 on asottile-sentry:re-cythonize into e815179 on mymarilyn:master.