Bump urllib3 from 1.25.2 to 1.25.8 (#162)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.25.2 to 1.25.8.
- [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/1.25.2...1.25.8)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -28,5 +28,5 @@ tldextract==2.2.0
 tqdm==4.32.2
 twine==1.13.0
 typing==3.7.4
-urllib3==1.25.2
+urllib3==1.25.8
 webencodings==0.5.1