Bump requests from 2.28.2 to 2.31.0 (#2078)

* Bump requests from 2.28.2 to 2.31.0

Bumps [requests](https://github.com/psf/requests) from 2.28.2 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.28.2...v2.31.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update requests==2.31.0

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/urllib3/util/__init__.py

@@ -1,46 +1,41 @@
-from __future__ import absolute_import
-
 # For backwards compatibility, provide imports that used to be here.
+from __future__ import annotations
+
 from .connection import is_connection_dropped
 from .request import SKIP_HEADER, SKIPPABLE_HEADERS, make_headers
 from .response import is_fp_closed
 from .retry import Retry
 from .ssl_ import (
     ALPN_PROTOCOLS,
-    HAS_SNI,
     IS_PYOPENSSL,
     IS_SECURETRANSPORT,
-    PROTOCOL_TLS,
     SSLContext,
     assert_fingerprint,
+    create_urllib3_context,
     resolve_cert_reqs,
     resolve_ssl_version,
     ssl_wrap_socket,
 )
-from .timeout import Timeout, current_time
-from .url import Url, get_host, parse_url, split_first
+from .timeout import Timeout
+from .url import Url, parse_url
 from .wait import wait_for_read, wait_for_write
 
 __all__ = (
-    "HAS_SNI",
     "IS_PYOPENSSL",
     "IS_SECURETRANSPORT",
     "SSLContext",
-    "PROTOCOL_TLS",
     "ALPN_PROTOCOLS",
     "Retry",
     "Timeout",
     "Url",
     "assert_fingerprint",
-    "current_time",
+    "create_urllib3_context",
     "is_connection_dropped",
     "is_fp_closed",
-    "get_host",
     "parse_url",
     "make_headers",
     "resolve_cert_reqs",
     "resolve_ssl_version",
-    "split_first",
     "ssl_wrap_socket",
     "wait_for_read",
     "wait_for_write",