Update dependency requests to v2.29.0

This MR contains the following updates:

Package	Update	Change
requests (source, changelog)	minor	==2.28.2 -> ==2.29.0

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Release Notes

psf/requests

v2.29.0

Compare Source

Improvements

• Requests now defers chunked requests to the urllib3 implementation to improve standardization. (#​6226)
• Requests relaxes header component requirements to support bytes/str subclasses. (#​6356)

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