Bump urllib3 from 1.23 to 1.24.2 in /tcp_tests

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.23 to 1.24.2.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/master/CHANGES.rst)
- [Commits](https://github.com/urllib3/urllib3/compare/1.23...1.24.2)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/tcp_tests/requirements.txt b/tcp_tests/requirements.txt
index e9c2917..db313d3 100644
--- a/tcp_tests/requirements.txt
+++ b/tcp_tests/requirements.txt
@@ -9,7 +9,7 @@
 pytest>=2.9,<=3.2.5
 docker-py
 docker-compose==1.7.1
-urllib3==1.23
+urllib3==1.24.2
 junit-xml
 jinja2>=2.9
 jira