Bump urllib3 from 1.25.9 to 1.26.5

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.25.9 to 1.26.5.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](https://github.com/urllib3/urllib3/compare/1.25.9...1.26.5)

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

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

requirements.txt

@@ -73,7 +73,7 @@ stevedore==3.2.0
 tenorpy==1.0.3
 typing-extensions==3.7.4.2
 tzlocal==2.1
-urllib3==1.25.9
+urllib3==1.26.5
 validators==0.17.1
 virtualenv==20.0.27
 virtualenv-clone==0.5.4