Bump urllib3 from 2.5.0 to 2.6.3 in /Python

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] <[email protected]>

Author: dependabot[bot]

Python/requirements-notebook.txt

@@ -97,7 +97,7 @@ types-python-dateutil==2.9.0.20241206
 typing_extensions==4.12.2
 tzdata==2025.1
 uri-template==1.3.0
-urllib3==2.5.0
+urllib3==2.6.3
 wcwidth==0.2.13
 webcolors==24.11.1
 webencodings==0.5.1

Python/requirements.txt

@@ -17,4 +17,4 @@ pytz==2024.2
 requests==2.32.4
 six==1.17.0
 tzdata==2025.1
-urllib3==2.5.0
+urllib3==2.6.3