chore(deps): bump urllib3 from 1.24.2 to 1.26.5

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.24.2 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@1.24.2...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

@@ -26,7 +26,7 @@ tornado==5.1.1
 transifex-client==0.13.7
 tx==0.0.1
 Unidecode==1.0.22
-urllib3==1.24.2
+urllib3==1.26.5
 mkdocs==1.0.4
 mkdocs-material==4.4.0
 mkdocs-exclude==1.0.2