fix: fixed syntax comma

Author: sushilshinde

src/services/JobService.js

@@ -325,7 +325,7 @@ fullyUpdateJob.schema = Joi.object().keys({
     hoursPerWeek: Joi.number().integer().allow(null),
     jobLocation: Joi.string().allow(null),
     jobTimezone: Joi.string().allow(null),
-    currency: Joi.string().allow(null)
+    currency: Joi.string().allow(null),
     roleIds: Joi.array().items(Joi.string().uuid().required()).default(null)
   }).required()
 }).required()