Bump urllib3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.22 to 1.24.2.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/master/CHANGES.rst)
- [Commits](urllib3/urllib3@1.22...1.24.2)

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

Author: dependabot[bot]

Software_Engineering/web_development/AdvancedDataDashboardCode/world_bank_api_dashboard/requirements.txt

@@ -21,7 +21,7 @@ pytz==2018.4
 requests==2.18.4
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.24.2
 virtualenv==15.2.0
 virtualenv-clone==0.3.0
 Werkzeug==0.14.1