Bump werkzeug from 0.10.4 to 0.15.3 in /teaminterface

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.10.4 to 0.15.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/master/CHANGES.rst)
- [Commits](pallets/werkzeug@0.10.4...0.15.3)

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

Author: dependabot[bot]

teaminterface/requirements.txt

@@ -6,7 +6,7 @@ Flask==0.10.1
 GeoIP
 Jinja2==2.8
 Pillow==3.4.1
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 aniso8601==1.0.0
 argparse==1.2.1
 backports.ssl-match-hostname==3.4.0.2