Bump urllib3 from 1.25.10 to 1.25.11 in /requirements

[dependabot]

Bumps urllib3 from 1.25.10 to 1.25.11.

Release notes

Sourced from urllib3's releases.

1.25.11

• Fix retry backoff time parsed from Retry-After header when given in the HTTP date format. The HTTP date was parsed as the local timezone rather than accounting for the timezone in the HTTP date (typically UTC) (#1932, #1935, #1938, #1949)

• Fix issue where an error would be raised when the SSLKEYLOGFILE environment variable was set to the empty string. Now SSLContext.keylog_file is not set in this situation (#2016)

Changelog

Sourced from urllib3's changelog.

1.25.11 (2020-10-19)

• Fix retry backoff time parsed from Retry-After header when given in the HTTP date format. The HTTP date was parsed as the local timezone rather than accounting for the timezone in the HTTP date (typically UTC) (Pull #1932, Pull #1935, Pull #1938, Pull #1949)

• Fix issue where an error would be raised when the SSLKEYLOGFILE environment variable was set to the empty string. Now SSLContext.keylog_file is not set in this situation (Pull #2016)

Commits

• 9b95f29 Release: 1.25.11
• 37664c9 [1.25] Upgrade pytest-freezegun to 0.4.2
• 85a809c [1.25] Parse UTC for 'Retry-After' redirect handler
• 785b901 [1.25] Always assume UTC if no timezone in Retry-After
• 9a2c158 [1.25] Use tz-aware functions in Retry.parse_retry_after()
• 747e9aa [1.25.x] Don't set keylog_filename for empty values
• 9c54745 [1.25] Black 20.8b1 styling
• 06fff01 [1.25] Check README.rst and CHANGES.rst are valid reST
• 957edcc [1.25] Remove raw reST directive from README
• 15487c7 [1.25] Migrate Windows CI to GitHub Actions
• Additional commits viewable in compare view

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Superseded by #121.