Bump urllib3 from 1.26.17 to 1.26.19 in /pigar/_vendor

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.17 to 1.26.19.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/1.26.19/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.17...1.26.19)

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

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

pigar/_vendor/pip_vendor_requirements.txt

@@ -10,6 +10,6 @@ requests==2.31.0
 certifi==2023.7.22
 chardet==5.1.0
 idna==3.4
-urllib3==1.26.17
+urllib3==1.26.19
 rich==13.4.2
 tomli==2.0.1