Celery beat PID file path fixed.
Celery beat PID file path fixed.

OWASP/django-DefectDojo,rackerlabs/django-DefectDojo,OWASP/django-DefectDojo,rackerlabs/django-DefectDojo,OWASP/django-DefectDojo,rackerlabs/django-DefectDojo,OWASP/django-DefectDojo,rackerlabs/django-DefectDojo,OWASP/django-DefectDojo