Bump urllib3 from 1.26.10 to 1.26.18 in /consistency/tool (#247)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.10 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@1.26.10...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>
Co-authored-by: Tim Burks <[email protected]>

consistency/tool/requirements.txt

@@ -35,4 +35,4 @@ strsimpy==0.2.1
 threadpoolctl==3.1.0
 tomli==2.0.1
 typing-extensions==4.3.0
-urllib3==1.26.10
+urllib3==1.26.18