Bump urllib3 from 1.24.1 to 1.24.2 in /src/loadgenerator

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.24.1 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/1.24.1...1.24.2)

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

src/loadgenerator/requirements.txt

@@ -4,20 +4,21 @@
 #
 #    pip-compile --output-file requirements.txt requirements.in
 #
-certifi==2018.11.29       # via requests
+certifi==2018.11.29       # via geventhttpclient-wheels, requests
 chardet==3.0.4            # via requests
 click==7.0                # via flask
 flask==1.0.2              # via locustio
-gevent==1.4.0             # via locustio
+gevent==1.4.0             # via geventhttpclient-wheels, locustio
+geventhttpclient-wheels==1.3.1.dev2  # via locustio
 greenlet==0.4.15          # via gevent
 idna==2.8                 # via requests
 itsdangerous==1.1.0       # via flask
 jinja2==2.10              # via flask
-locustio==0.13.0
+locustio==0.13.0          # via -r requirements.in
 markupsafe==1.1.0         # via jinja2
 msgpack-python==0.5.6     # via locustio
 pyzmq==17.0.0             # via locustio
 requests==2.21.0          # via locustio
-six==1.12.0               # via locustio
-urllib3==1.24.1           # via requests
+six==1.12.0               # via geventhttpclient-wheels, locustio
+urllib3==1.24.2           # via requests
 werkzeug==0.14.1          # via flask