There's a closed pull request on the void-packages repository

python3-urllib3: update to 2.0.3.
https://github.com/void-linux/void-packages/pull/43699

Description:
#### Testing the changes
- I tested the changes in this PR: **YES**

TODO:
- [ ] Fix tests

Dependents that don't support urllib3 2.x yet:
- [ ] buku: no support upstream yet
- [ ] python3-botocore: https://github.com/boto/botocore/issues/2926

Unclear if these dependents support urllib3 2.x:
  - [ ] coursera-dl
  - [ ] duplicity
  - [ ] python3-spotipy
  - [ ] python3-dulwich

Related: https://github.com/void-linux/void-packages/pull/44387
 
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