Bump urllib3 from 1.25.7 to 1.26.5 (#23)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.25.7 to 1.26.5.
- [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/1.25.7...1.26.5)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
...

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

requirements.txt

@@ -6,5 +6,5 @@ pafy==0.5.5
 requests==2.22.0
 requests-toolbelt==0.9.1
 toml==0.10.0
-urllib3==1.25.7
+urllib3==1.26.5
 youtube-dl==2019.11.28