Bump urllib3 from 1.26.4 to 1.26.5 in /docs (#1262)

* fixed host adder and added 2020.2.3

* added 2020.1.1 to hosts

* Bump urllib3 from 1.26.4 to 1.26.5 in /docs

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: indirect
...

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

Co-authored-by: Ehsan Iran-Nejad <eirannejad@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>