Bump urllib3 from 1.26.3 to 1.26.5

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.3 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@1.26.3...1.26.5)

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

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

Author: dependabot[bot]

requirements.txt

@@ -15,5 +15,5 @@ six==1.15.0
 soupsieve==2.2
 SQLAlchemy==1.3.23
 typing-extensions==3.7.4.3
-urllib3==1.26.3
+urllib3==1.26.5
 yarl==1.6.3