Use `IdentityModel` in `IdentityServer` module.

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpClaimsService.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Security.Claims;
-using Duende.IdentityModel;
+using IdentityModel;
 using IdentityServer4.Services;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpIdentityServerBuilderExtensions.cs

@@ -3,7 +3,7 @@ using System.IdentityModel.Tokens.Jwt;
 using System.IO;
 using System.Linq;
 using System.Security.Cryptography;
-using Duende.IdentityModel;
+using IdentityModel;
 using IdentityServer4;
 using IdentityServer4.Configuration;
 using IdentityServer4.Services;

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AspNetIdentity/AbpResourceOwnerPasswordValidator.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Resources;
 using System.Security.Claims;
 using System.Threading.Tasks;
-using Duende.IdentityModel;
+using IdentityModel;
 using IdentityServer4.AspNetIdentity;
 using IdentityServer4.Events;
 using IdentityServer4.Models;

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AspNetIdentity/AbpUserClaimsFactory.cs

@@ -3,7 +3,7 @@ using System.Linq;
 using System.Security.Claims;
 using System.Security.Principal;
 using System.Threading.Tasks;
-using Duende.IdentityModel;
+using IdentityModel;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.IdentityModel.JsonWebTokens;
 using Volo.Abp.DependencyInjection;

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Devices/DeviceFlowStore.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Threading.Tasks;
-using Duende.IdentityModel;
+using IdentityModel;
 using IdentityServer4.Models;
 using IdentityServer4.Stores;
 using IdentityServer4.Stores.Serialization;

modules/identityserver/test/Volo.Abp.IdentityServer.Domain.Tests/Volo/Abp/IdentityServer/Devices/DeviceFlowStore_Tests.cs

@@ -1,7 +1,7 @@
 using System.Linq;
 using System.Security.Claims;
 using System.Threading.Tasks;
-using Duende.IdentityModel;
+using IdentityModel;
 using IdentityServer4.Models;
 using IdentityServer4.Stores;
 using Shouldly;