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] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -31,6 +31,6 @@ requests-cache==0.5.2
 scipy==1.6.1
 six==1.15.0
 statsmodels==0.12.2
-urllib3==1.26.3
+urllib3==1.26.5
 xmltodict==0.12.0
 tqdm==4.60.0