build(deps): bump urllib3 from 1.26.17 to 1.26.18 in /ops/check-changed

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.17 to 1.26.18.
- [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/1.26.17...1.26.18)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>

ops/check-changed/requirements.txt

@@ -8,5 +8,5 @@ PyGithub==1.57
 PyJWT==2.6.0
 PyNaCl==1.5.0
 requests==2.28.1
-urllib3==1.26.17
+urllib3==1.26.18
 wrapt==1.14.1