Bump urllib3 from 1.26.19 to 1.26.20

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.19 to 1.26.20.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.19...1.26.20)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -37,6 +37,6 @@ smmap==5.0.1
 smmap2==3.0.1
 soupsieve==2.5
 tenacity==9.0.0
-urllib3==1.26.19 # v2 requires code changes in timeout handling
+urllib3==1.26.20 # v2 requires code changes in timeout handling
 w3lib==2.2.1
 websocket-client==1.8.0