chore(deps): bump urllib3 from 2.5.0 to 2.6.0 in /models/openrouter (#2190)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.5.0...2.6.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

models/openrouter/requirements.txt

@@ -91,7 +91,7 @@ typing-inspection==0.4.2
     # via
     #   pydantic
     #   pydantic-settings
-urllib3==2.5.0
+urllib3==2.6.0
     # via requests
 werkzeug==3.0.6
     # via