chore(deps): bump urllib3 from 1.26.18 to 1.26.19 in /test

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.18 to 1.26.19.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.18...1.26.19)

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

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

Author: dependabot[bot]

test/upstream-requirements-py311.txt

@@ -33,6 +33,6 @@ six==1.16.0
 sortedcontainers==2.4.0
 toml==0.10.2
 types-toml==0.10.8.5
-urllib3==1.26.18
+urllib3==1.26.19
 Werkzeug==3.0.3
 xmltodict==0.13.0