Bump requests from 2.27.1 to 2.28.1 (#1781)

* Bump requests from 2.27.1 to 2.28.1

Bumps [requests](https://github.com/psf/requests) from 2.27.1 to 2.28.1.
- [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/v2.27.1...v2.28.1)

---
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==2.28.1

* Update urllib3==1.26.12

* Update certifi==2022.9.24

* Update idna==3.4

* Update charset-normalizer==2.1.1

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/url.py

@@ -279,6 +279,9 @@ def _normalize_host(host, scheme):
         if scheme in NORMALIZABLE_SCHEMES:
             is_ipv6 = IPV6_ADDRZ_RE.match(host)
             if is_ipv6:
+                # IPv6 hosts of the form 'a::b%zone' are encoded in a URL as
+                # such per RFC 6874: 'a::b%25zone'. Unquote the ZoneID
+                # separator as necessary to return a valid RFC 4007 scoped IP.
                 match = ZONE_ID_RE.search(host)
                 if match:
                     start, end = match.span(1)
@@ -331,7 +334,7 @@ def parse_url(url):
     """
     Given a url, return a parsed :class:`.Url` namedtuple. Best-effort is
     performed to parse incomplete urls. Fields not provided will be None.
-    This parser is RFC 3986 compliant.
+    This parser is RFC 3986 and RFC 6874 compliant.
 
     The parser logic and helper functions are based heavily on
     work done in the ``rfc3986`` module.