Update httplib2 to 0.31.2

[pyup-bot]

This PR updates httplib2 from 0.22.0 to 0.31.2.

Changelog

0.31.2

build(deps): pp.DelimitedList (camel case) only available in pyparsing>=3.1
https://github.com/httplib2/httplib2/issues/255

DO NOT use 0.31.1

0.31.1

auth: use pyparsing v3 PEP8-compliant method names
https://github.com/httplib2/httplib2/pull/253

0.31.0

https: avoid costly load_verify_locations when SSL certificate validation is disabled
https://github.com/httplib2/httplib2/pull/249

0.30.2

No changes in library. Fix automatic pypi release from CI.

0.30.1

restore socks proxy support, was broken in 0.30.0
https://github.com/httplib2/httplib2/issues/251

0.30.0

BREAKING CHANGE! Python support 3.7+ only

https: Do not rely on ssl.PROTOCOL_TLS, which has been deprecated in Python3.10
https://github.com/httplib2/httplib2/pull/243

Links

• PyPI: https://pypi.org/project/httplib2
• Changelog: https://data.safetycli.com/changelogs/httplib2/
• Repo: https://github.com/httplib2/httplib2