Bump urllib3 from 1.26.4 to 1.26.5 in /link-verifier (#28)

* Bump urllib3 from 1.26.4 to 1.26.5 in /link-verifier

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.4 to 1.26.5.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.4...1.26.5)

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

Signed-off-by: dependabot[bot] <[email protected]>

* Unpin the urllib3 version in the requirements.txt for link-verifier.

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

link-verifier/requirements.txt

@@ -6,4 +6,4 @@ idna==2.10
 requests==2.25.0
 soupsieve==2.1
 termcolor==1.1.0
-urllib3==1.26.4
+urllib3