Bump urllib3 from 1.26.5 to 1.26.19

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.5 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@1.26.5...1.26.19)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -84,7 +84,7 @@ typing-extensions==4.12.2
     # via kombu
 tzdata==2024.1
     # via celery
-urllib3==1.26.5             # via requests
+urllib3==1.26.19             # via requests
 validators==0.14.0 # pyup: <=0.10.1 # pin until require_tld supported again
 vine==5.1.0
     # via