Bump urllib3 from 1.25.7 to 1.25.8

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.25.7 to 1.25.8.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.25.7...1.25.8)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

setup.py

@@ -22,7 +22,7 @@
     install_requires=[
         "user-agent>=0.1.9",
         "requests>=2.5.4.1",
-        "urllib3==1.25.7",
+        "urllib3==1.25.8",
         "certifi>=2019.11.28",
     ],
     packages=setuptools.find_packages(),