Bump urllib3 from 1.26.12 to 1.26.13

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.12 to 1.26.13.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.12...1.26.13)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs-requirements.txt

@@ -90,7 +90,7 @@ tomli==2.0.1
     # via towncrier
 towncrier==22.8.0
     # via -r docs-requirements.in
-urllib3==1.26.12
+urllib3==1.26.13
     # via requests
 
 # The following packages are considered to be unsafe in a requirements file: