Bump urllib3 from 2.2.3 to 2.6.3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.2.3 to 2.6.3.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.2.3...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

@@ -33,7 +33,7 @@ requests==2.32.4
 runstats==1.8.0
 six==1.16.0
 SQLAlchemy==2.0.41
-urllib3==2.2.3
+urllib3==2.6.3
 vine==5.1.0
 werkzeug==3.0.6
 zipp==3.20