Update urllib3 requirement from !=2.6.0,>=1.24.2 to !=2.6.0,>=2.6.3

Updates the requirements on [urllib3](https://github.com/urllib3/urllib3) to permit the latest version.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.24.2...2.6.3)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -6,5 +6,5 @@ pyyaml>=5.4.1  # MIT
 websocket-client>=0.32.0,!=0.40.0,!=0.41.*,!=0.42.* # LGPLv2+
 requests # Apache-2.0
 requests-oauthlib # ISC
-urllib3>=1.24.2,!=2.6.0 # MIT
+urllib3!=2.6.0,>=2.6.3 # MIT
 durationpy>=0.7 # MIT