Add support for Python 3.11

[hugovk]

Python 3.11 was released on 2022-10-24 🚀

[hugovk]

That py27-35 job has been failing for two years: https://github.com/tantale/deprecated/actions/runs/491432941

I suggest dropping support for EOL Python versions 2.7 and 3.4-3.6.

cycle	release	latest	latest release	eol
3.11	2022-10-24	3.11.0	2022-10-24	2027-10-24
3.10	2021-10-04	3.10.8	2022-10-11	2026-10-04
3.9	2020-10-05	3.9.15	2022-10-11	2025-10-05
3.8	2019-10-14	3.8.15	2022-10-11	2024-10-14
3.7	2018-06-26	3.7.15	2022-10-10	2023-06-27
3.6	2016-12-22	3.6.15	2021-09-03	2021-12-23
3.5	2015-09-12	3.5.10	2020-09-05	2020-09-13
3.4	2014-03-15	3.4.10	2019-03-18	2019-03-18
2.7	2010-07-03	2.7.18	2020-04-19	2020-01-01

Here's the pip installs for Deprecated from PyPI for October 2022:

category	percent	downloads
3.7	33.69%	11,485,598
3.8	29.87%	10,184,105
3.9	16.06%	5,476,827
3.6	8.17%	2,786,874
null	6.25%	2,131,430
3.10	5.16%	1,758,544
2.7	0.59%	202,014
3.11	0.14%	46,521
3.5	0.06%	19,709
3.4	0.00%	225
3.12	0.00%	184
3.2	0.00%	23
3.3	0.00%	3
3.1	0.00%	1
Total		34,092,058

Source: pip install -U pypistats && pypistats python_minor Deprecated --last-month

[hugovk]

Closing in favour of #59 👍