chore(deps): bump urllib3 from 1.26.5 to 1.26.17 in /contrib/embargo

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.5 to 1.26.17.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.5...1.26.17)

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

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

contrib/embargo/requirements.txt

@@ -17,7 +17,7 @@ Pygments==2.15.0
 PyYAML==5.4
 requests==2.31.0
 six==1.15.0
-urllib3==1.26.5
+urllib3==1.26.17
 websocket-client==0.57.0
 Werkzeug==2.2.3