py-treq: updated to 22.2.0

22.2.0 (2022-02-08)
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Features
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- Python 3.10 and PyPy 3.8 are now supported.

Bugfixes
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- Address a regression introduced in Treq 22.1.0 that prevented transmission of cookies with requests to ports other than 80, including HTTPS (443).

Deprecations and Removals
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- Support for Python 3.6, which has reached end of support, is deprecated. This is the last release with support for Python 3.6.

(adam)