Bump urllib3 from 1.26.18 to 2.6.3 in /images/dask

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.18 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@1.26.18...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]

images/dask/requirements.txt

@@ -248,7 +248,7 @@ typeguard==2.13.3 ; python_version >= "3.9" and python_version < "3.10"
 typer==0.9.0 ; python_version >= "3.9" and python_version < "3.10"
 typing-extensions==4.7.1 ; python_version >= "3.9" and python_version < "3.10"
 tzdata==2023.3 ; python_version >= "3.9" and python_version < "3.10" and (platform_system == "Windows" or platform_system == "Emscripten")
-urllib3==1.26.18 ; python_version >= "3.9" and python_version < "3.10"
+urllib3==2.6.3 ; python_version >= "3.9" and python_version < "3.10"
 urllib3[socks]==1.26.18 ; python_version >= "3.9" and python_version < "3.10"
 vega==3.5.0 ; python_version >= "3.9" and python_version < "3.10"
 virtualenv==20.24.2 ; python_version >= "3.9" and python_version < "3.10"