fix: allow updating "path" for attachments

Author: maxceem

src/routes/attachments/update.js

@@ -20,6 +20,7 @@ const updateProjectAttachmentValidation = {
     description: Joi.string().optional().allow(null).allow(''),
     allowedUsers: Joi.array().items(Joi.number().integer().positive()).allow(null).default(null),
     tags: Joi.array().items(Joi.string().min(1)).optional(),
+    path: Joi.string(),
   }),
 };