Bump urllib3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.5.0 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@2.5.0...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]

python/example_code/bedrock-runtime/cross-model-scenarios/tool_use_demo/requirements.txt

@@ -8,4 +8,4 @@ python-dateutil==2.9.0.post0
 requests==2.32.3
 s3transfer==0.10.1
 six==1.16.0
-urllib3==2.5.0
+urllib3==2.6.3