Update dependency urllib3 to v2.0.4

This MR contains the following updates:

Package	Update	Change
urllib3 (changelog)	patch	==2.0.3 -> ==2.0.4

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Release Notes

urllib3/urllib3

v2.0.4

Compare Source

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• Added support for union operators to HTTPHeaderDict (#&#8203;2254 <https://github.com/urllib3/urllib3/issues/2254>__)
• Added BaseHTTMResponse to urllib3.__all__ (#&#8203;3078 <https://github.com/urllib3/urllib3/issues/3078>__)
• Fixed urllib3.connection.HTTPConnection to raise the http.client.connect audit event to have the same behavior as the standard library HTTP client (#&#8203;2757 <https://github.com/urllib3/urllib3/issues/2757>__)
• Relied on the standard library for checking hostnames in supported PyPy releases (#&#8203;3087 <https://github.com/urllib3/urllib3/issues/3087>__)

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