installation: pin werkzeug
installation: pin werkzeug

* New version 1.0 of Werkzeug released.

diegodelemos/reana-job-controller,reanahub/reana-job-controller,tiborsimko/reana-job-controller,tiborsimko/reana-job-controller,reanahub/reana-job-controller,diegodelemos/reana-job-controller