Bump urllib3 from 2.4.0 to 2.6.3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.4.0 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@2.4.0...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]

requirements-notebook.txt

@@ -95,7 +95,7 @@ types-python-dateutil==2.9.0.20241206
 typing_extensions==4.13.2
 tzdata==2025.2
 uri-template==1.3.0
-urllib3==2.4.0
+urllib3==2.6.3
 watchdog==6.0.0
 wcwidth==0.2.13
 webcolors==24.11.1

requirements.txt

@@ -24,6 +24,6 @@ sniffio==1.3.1
 tenacity==9.1.2
 typing_extensions==4.13.2
 tzdata==2025.2
-urllib3==2.4.0
+urllib3==2.6.3
 watchdog==6.0.0
 websocket-client==1.8.0