Bump urllib3 from 1.26.18 to 1.26.19 (#30)

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: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -96,16 +96,13 @@ six==1.16.0
     #   python-dateutil
 sympy==1.12
     # via cfn-lint
-tomli==2.0.1
-    # via black
 troposphere==4.3.2
     # via -r requirements.in
 typing-extensions==4.7.1
     # via
     #   aws-sam-translator
-    #   black
     #   pydantic
-urllib3==1.26.18
+urllib3==1.26.19
     # via botocore
 virtualenv==20.23.1
     # via pipenv