Bump urllib3 from 2.5.0 to 2.6.1

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.5.0 to 2.6.1.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.5.0...2.6.1)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -5,6 +5,6 @@ boto3-stubs
 dspy==2.6.27
 numpy==2.3.2
 virtualenv==20.31.2
-urllib3==2.5.0
+urllib3==2.6.1
 setuptools==80.9.0
 h11==0.16.0