Bump urllib3 from 1.26.18 to 1.26.19

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/1.26.19/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] <support@github.com>

setup.py

@@ -10,7 +10,7 @@
 
 INSTALL_DEPS = ['kubernetes==9.0.0',
                 'requests>=2.20.0',
-                'urllib3==1.26.18',
+                'urllib3==1.26.19',
                 'boto3==1.16.18',
                 ]
 TEST_DEPS = [ 'pytest',