Bump urllib3 from 1.26.11 to 1.26.18 in /automated_tests (#706)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.11 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@1.26.11...1.26.18)

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

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

Author: dependabot[bot]

automated_tests/requirements.txt

@@ -21,6 +21,6 @@ pyrsistent==0.18.1
 PyYAML==6.0
 requests==2.31.0
 six==1.16.0
-urllib3==1.26.11
+urllib3==1.26.18
 websocket-client==1.3.3
 zipp==3.8.1