build(deps): Bump urllib3 from 2.5.0 to 2.6.0 in /python (#20)

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
...

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

Author: dependabot[bot]

python/requirements-dev.txt

@@ -84,7 +84,7 @@ typing-extensions==4.12.2
     #   mypy
     #   pydantic
     #   pydantic-core
-urllib3==2.5.0
+urllib3==2.6.0
     # via
     #   requests
     #   stackit-core

python/requirements.txt

@@ -47,7 +47,7 @@ typing-extensions==4.12.2
     # via
     #   pydantic
     #   pydantic-core
-urllib3==2.5.0
+urllib3==2.6.0
     # via
     #   requests
     #   stackit-core