final fixes

Author: himaniraghav3

package.json

@@ -42,8 +42,8 @@
   "dependencies": {
     "@grpc/grpc-js": "^1.8.12",
     "@opensearch-project/opensearch": "^2.2.0",
-    "@topcoder-framework/domain-challenge": "^0.18.0",
-    "@topcoder-framework/lib-common": "^0.18.0",
+    "@topcoder-framework/domain-challenge": "^0.22.0",
+    "@topcoder-framework/lib-common": "^0.22.0",
     "aws-sdk": "^2.1145.0",
     "axios": "^0.19.0",
     "axios-retry": "^3.4.0",

src/services/ChallengeService.js

@@ -1992,7 +1992,7 @@ updateChallenge.schema = {
       tags: Joi.array().items(Joi.string().required()).min(1), // tag names
       projectId: Joi.number().integer().positive(),
       legacyId: Joi.number().integer().positive(),
-      constraints: Joi.array().items(Joi.string()).min(1).optional(),
+      constraints: Joi.object({allowedRegistrants: Joi.array().items(Joi.string()).optional()}),
       status: Joi.string().valid(_.values(constants.challengeStatuses)),
       attachments: Joi.array().items(
         Joi.object().keys({