Use parse_url() from urllib3.util instead of urlparse

urllib.parse.urlparse() does not handle link local ipv6 addresses with port
numbers. Use parse_url() from urllib3 instead.

Fixes: c0813a2 ("Use TLS settings in selecting connection pool")
Fixes: #6735

Co-authored-by: Amy Chen <xiachen@redhat.com>
Signed-off-by: Ani Sinha <anisinha@redhat.com>

Author: ani-sinha

src/requests/adapters.py

@@ -81,7 +81,7 @@ def _urllib3_request_context(
 ) -> "(typing.Dict[str, typing.Any], typing.Dict[str, typing.Any])":
     host_params = {}
     pool_kwargs = {}
-    parsed_request_url = urlparse(request.url)
+    parsed_request_url = parse_url(request.url)
     scheme = parsed_request_url.scheme.lower()
     port = parsed_request_url.port