Update Property bag in Modern Team Sites

Update property bag modern SP site

using Microsoft.Online.SharePoint.TenantAdministration;
using (var contextTenant = new ClientContext(<spTenantUrl>))
{
contextTenant.Credentials = new SharePointOnlineCredentials(<username>, <secpass>);
Tenant tSP = new Tenant(contextTenant);
tSP.SetSiteProperties(<groupurl>, noScriptSite: false);
contextTenant.ExecuteQuery();
}

contextGroup.Web.SetPropertyBagValue("ProvisioningStatus", "Completed");
contextGroup.Web.Update();
contextGroup.ExecuteQuery();