fix: include the groups on prem sync behavior in the OpenAPI spec (#3400)

Author: gavinbarron

config/ModulesMapping.jsonc

@@ -19,7 +19,7 @@
   "Education": "^education\\.",
   "Files": "^drives\\.|^shares\\.|^users.drive$|^groups.drive$",
   "Financials": "^financials\\.",
-  "Groups": "^groups.group$|^groups.directoryObject$|^groups.conversation$|^groups.endpoint$|^groups.extension$|^groups.groupLifecyclePolicy$|^groups.resourceSpecificPermissionGrant$|^groups.profilePhoto$|^groups.conversationThread$|^groupLifecyclePolicies\\.|^users.group$|^groups.directorySetting$|^groups.*.Actions$|^groups.*.Functions$|^groupSettings\\.|^groups.groupSetting$|^groupSettingTemplates\\.",
+  "Groups": "^groups.group$|^groups.directoryObject$|^groups.conversation$|^groups.endpoint$|^groups.extension$|^groups.groupLifecyclePolicy$|^groups.resourceSpecificPermissionGrant$|^groups.profilePhoto$|^groups.conversationThread$|^groupLifecyclePolicies\\.|^users.group$|^groups.directorySetting$|^groups.onPremisesSyncBehavior$|^groups.*.Actions$|^groups.*.Functions$|^groupSettings\\.|^groups.groupSetting$|^groupSettingTemplates\\.",
   "Identity.DirectoryManagement": "^administrativeUnits\\.|^contacts\\.|^devices\\.|^domains\\.|^directoryRoles\\.|^directoryRoleTemplates\\.|^directorySettingTemplates\\.|^settings\\.|^subscribedSkus\\.|^contracts\\.|^directory\\.|^users.scopedRoleMembership$|^organization.organization$|^organization.organizationalBranding$|^organization.organizationSettings$|^organization.*.Actions$|^organization.extension$|^tenantRelationships.*.Actions$|^tenantRelationships.*.Functions$|admin.peopleAdminSettings$|^organization\\.partnerInformation$",
   "Identity.Governance": "^accessReviews\\.|^businessFlowTemplates\\.|^programs\\.|^programControls\\.|^programControlTypes\\.|^privilegedRoles\\.|^privilegedRoleAssignments\\.|^privilegedRoleAssignmentRequests\\.|^privilegedApproval\\.|^privilegedOperationEvents\\.|^privilegedAccess\\.|^agreements\\.|^users.agreementAcceptance$|^identityGovernance\\.|^roleManagement.rbacApplication$|^roleManagement.*.Functions$|roleManagement.*.Actions$",
   "Identity.SignIns": "^organization.certificateBasedAuthConfiguration$|^invitations\\.|^identityProviders\\.|^oauth2PermissionGrants\\.|^identityProtection\\.|^dataPolicyOperations\\.|^identity\\.|^trustFramework\\.|^informationProtection\\.|^policies\\.|^users.authentication$|^users.informationProtection$|^tenantRelationships.multiTenantOrganization$|^policies.deviceRegistrationPolicy$|^policies.deviceRegistrationPolicy$",