Update dependency urllib3 to v1.26.12

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
urllib3 (source)	==1.26.9 -> ==1.26.12

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Release Notes

urllib3/urllib3

### [`v1.26.12`](https://togithub.com/urllib3/urllib3/blob/HEAD/CHANGES.rst#​12612-2022-08-22) [Compare Source](https://togithub.com/urllib3/urllib3/compare/1.26.11...1.26.12) \==================== - Deprecated the `urllib3[secure]` extra and the `urllib3.contrib.pyopenssl` module. Both will be removed in v2.x. See this `GitHub issue `\_ for justification and info on how to migrate. ### [`v1.26.11`](https://togithub.com/urllib3/urllib3/blob/HEAD/CHANGES.rst#​12611-2022-07-25) [Compare Source](https://togithub.com/urllib3/urllib3/compare/1.26.10...1.26.11) \==================== - Fixed an issue where reading more than 2 GiB in a call to `HTTPResponse.read` would raise an `OverflowError` on Python 3.9 and earlier. ### [`v1.26.10`](https://togithub.com/urllib3/urllib3/blob/HEAD/CHANGES.rst#​12610-2022-07-07) [Compare Source](https://togithub.com/urllib3/urllib3/compare/1.26.9...1.26.10) \==================== - Removed support for Python 3.5 - Fixed an issue where a `ProxyError` recommending configuring the proxy as HTTP instead of HTTPS could appear even when an HTTPS proxy wasn't configured.

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Configuration

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[codecov-commenter]

Codecov Report

Merging #412 (2998db5) into master (696a757) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #412   +/-   ##
=======================================
  Coverage   94.41%   94.41%           
=======================================
  Files           4        4           
  Lines         573      573           
=======================================
  Hits          541      541           
  Misses         32       32           

Flag	Coverage Δ
unittests	94.41% <ø> (ø)

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