Update dependency requests to v2.28.1

This MR contains the following updates:

Package	Update	Change
requests (source, changelog)	minor	==2.27.1 -> ==2.28.1

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Release Notes

psf/requests

v2.28.1

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Improvements

• Speed optimization in iter_content with transition to yield from. (#​6170)

Dependencies

• Added support for chardet 5.0.0 (#​6179)
• Added support for charset-normalizer 2.1.0 (#​6169)

v2.28.0

Compare Source

Deprecations

• ⚠️ Requests has officially dropped support for Python 2.7. ⚠️ (#​6091)
• Requests has officially dropped support for Python 3.6 (including pypy3.6). (#​6091)

Improvements

• Wrap JSON parsing issues in Request's JSONDecodeError for payloads without an encoding to make json() API consistent. (#​6097)
• Parse header components consistently, raising an InvalidHeader error in all invalid cases. (#​6154)
• Added provisional 3.11 support with current beta build. (#​6155)
• Requests got a makeover and we decided to paint it black. (#​6095)

Bugfixes

• Fixed bug where setting CURL_CA_BUNDLE to an empty string would disable cert verification. All Requests 2.x versions before 2.28.0 are affected. (#​6074)
• Fixed urllib3 exception leak, wrapping urllib3.exceptions.SSLError with requests.exceptions.SSLError for content and iter_content. (#​6057)
• Fixed issue where invalid Windows registry entires caused proxy resolution to raise an exception rather than ignoring the entry. (#​6149)
• Fixed issue where entire payload could be included in the error message for JSONDecodeError. (#​6036)

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