Bump urllib3 from 1.26.15 to 1.26.18 (#64)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.15 to 1.26.18.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.15...1.26.18)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: indirect
...

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

requirements.txt

@@ -15,5 +15,5 @@ pyyaml==6.0.1
 requests==2.31.0
 schedule==1.2.1
 six==1.16.0
-urllib3==1.26.15
+urllib3==1.26.18
 xdg==6.0.0