Bump urllib3 from 1.26.20 to 2.6.3 in /requirements

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.20 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@1.26.20...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/REQUIREMENTS-CI.txt

@@ -155,7 +155,7 @@ types-setuptools==80.9.0.20250822
 types-urllib3==1.26.25.14
 typing_extensions==4.15.0
 tzdata==2025.2
-urllib3==1.26.20
+urllib3==2.6.3
 validators==0.35.0
 wcwidth==0.2.14
 webencodings==0.5.1

requirements/REQUIREMENTS-JUPYTER.txt

@@ -134,7 +134,7 @@ traitlets==5.14.3
 typing_extensions==4.15.0
 tzdata==2025.2
 uri-template==1.3.0
-urllib3==1.26.20
+urllib3==2.6.3
 validators==0.35.0
 wcwidth==0.2.14
 webcolors==24.11.1

requirements/REQUIREMENTS-NAPARI-CI.txt

@@ -154,7 +154,7 @@ typer==0.20.0
 typing-inspection==0.4.2
 typing_extensions==4.15.0
 tzdata==2025.2
-urllib3==1.26.20
+urllib3==2.6.3
 validators==0.35.0
 vispy==0.14.3
 wcwidth==0.2.14

starfish/REQUIREMENTS-STRICT.txt

@@ -53,7 +53,7 @@ tqdm==4.67.1
 trackpy==0.7
 typing_extensions==4.15.0
 tzdata==2025.2
-urllib3==1.26.20
+urllib3==2.6.3
 validators==0.35.0
 xarray==2024.7.0
 zipp==3.23.0