Fix phases schema

Author: ThomasKranitsas

src/services/ProcessorService.js

@@ -92,6 +92,7 @@ update.schema = {
         phaseId: Joi.string().uuid().required(),
         predecessor: Joi.string().uuid(),
         isOpen: Joi.boolean(),
+        name: Joi.string(),
         duration: Joi.number().positive().required(),
         scheduledStartDate: Joi.date(),
         scheduledEndDate: Joi.date(),