Bump urllib3 from 1.26.4 to 1.26.5

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.4 to 1.26.5.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.4...1.26.5)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -90,7 +90,7 @@ terminado==0.9.1
 testpath==0.4.4
 tornado==6.1
 traitlets==5.0.5
-urllib3==1.26.4
+urllib3==1.26.5
 wcwidth==0.2.5
 webencodings==0.5.1
 widgetsnbextension==3.5.1