chore(deps): update dependency urllib3 to v1.26.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
urllib3 (source)	==1.25.9 -> ==1.26.3

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Release Notes

urllib3/urllib3

v1.26.3

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⚠️ IMPORTANT: urllib3 v2.0 will drop support for Python 2: Read more in the v2.0 Roadmap

• Fixed bytes and string comparison issue with headers (Pull #​2141)

• Changed ProxySchemeUnknown error message to be more actionable if the user supplies a proxy URL without a scheme (Pull #​2107)

If you or your organization rely on urllib3 consider supporting us via GitHub Sponsors

v1.26.2

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• Fixed an issue where wrap_socket and CERT_REQUIRED wouldn't
  be imported properly on Python 2.7.8 and earlier (Pull #​2052)

v1.26.1

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• Fixed an issue where two User-Agent headers would be sent if a
  User-Agent header key is passed as bytes (Pull #​2047)

v1.26.0

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• NOTE: urllib3 v2.0 will drop support for Python 2.
  Read more in the v2.0 Roadmap <https://urllib3.readthedocs.io/en/latest/v2-roadmap.html>_.

• Added support for HTTPS proxies contacting HTTPS servers (Pull #​1923, Pull #​1806)

• Deprecated negotiating TLSv1 and TLSv1.1 by default. Users that
  still wish to use TLS earlier than 1.2 without a deprecation warning
  should opt-in explicitly by setting ssl_version=ssl.PROTOCOL_TLSv1_1 (Pull #​2002)
  Starting in urllib3 v2.0: Connections that receive a DeprecationWarning will fail

• Deprecated Retry options Retry.DEFAULT_METHOD_WHITELIST, Retry.DEFAULT_REDIRECT_HEADERS_BLACKLIST
  and Retry(method_whitelist=...) in favor of Retry.DEFAULT_ALLOWED_METHODS,
  Retry.DEFAULT_REMOVE_HEADERS_ON_REDIRECT, and Retry(allowed_methods=...)
  (Pull #​2000) Starting in urllib3 v2.0: Deprecated options will be removed

• Added default User-Agent header to every request (Pull #​1750)

• Added urllib3.util.SKIP_HEADER for skipping User-Agent, Accept-Encoding,
  and Host headers from being automatically emitted with requests (Pull #​2018)

• Collapse transfer-encoding: chunked request data and framing into
  the same socket.send() call (Pull #​1906)

• Send http/1.1 ALPN identifier with every TLS handshake by default (Pull #​1894)

• Properly terminate SecureTransport connections when CA verification fails (Pull #​1977)

• Don't emit an SNIMissingWarning when passing server_hostname=None
  to SecureTransport (Pull #​1903)

• Disabled requesting TLSv1.2 session tickets as they weren't being used by urllib3 (Pull #​1970)

• Suppress BrokenPipeError when writing request body after the server
  has closed the socket (Pull #​1524)

• Wrap ssl.SSLError that can be raised from reading a socket (e.g. "bad MAC")
  into an urllib3.exceptions.SSLError (Pull #​1939)

v1.25.11

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• 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)

v1.25.10

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• Added support for SSLKEYLOGFILE environment variable for
  logging TLS session keys with use with programs like
  Wireshark for decrypting captured web traffic (Pull #​1867)

• Fixed loading of SecureTransport libraries on macOS Big Sur
  due to the new dynamic linker cache (Pull #​1905)

• Collapse chunked request bodies data and framing into one
  call to send() to reduce the number of TCP packets by 2-4x (Pull #​1906)

• Don't insert None into ConnectionPool if the pool
  was empty when requesting a connection (Pull #​1866)

• Avoid hasattr call in BrotliDecoder.decompress() (Pull #​1858)

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