Bump urllib3 from 1.24.2 to 1.26.19

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.24.2 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@1.24.2...1.26.19)

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

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

Author: dependabot[bot]

requirements.txt

@@ -11,4 +11,4 @@ idna==2.6
 Pillow==9.3.0
 Pygments==2.2.0
 requests==2.20.0
-urllib3==1.24.2
+urllib3==1.26.19