Upgrade xunit to v3

Author: sergezhigunov

tests/Directory.Build.props

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.v3" Version="1.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

tests/OpenGost.Security.Cryptography.Tests/Properties/AssemblyInfo.cs

@@ -1,7 +1,6 @@
 using System.Runtime.InteropServices;
+using OpenGost.Security.Cryptography.Tests.XunitExtensions;
 
 [assembly: ComVisible(false)]
 [assembly: Guid("49680671-0348-43b3-8684-fc744c738f0c")]
-[assembly: TestFramework(
-    "OpenGost.Security.Cryptography.Tests.XunitExtensions.XunitTestFrameworkWithAssemblyFixture",
-    "OpenGost.Security.Cryptography.Tests")]
+[assembly: AssemblyFixture(typeof(ConfigureCryptographicServicesAssemblyFixture))]

tests/OpenGost.Security.Cryptography.Tests/XunitExtensions/ConfigureCryptographicServicesAssemblyFixture.cs

@@ -0,0 +1,12 @@
+using System.Diagnostics.CodeAnalysis;
+
+namespace OpenGost.Security.Cryptography.Tests.XunitExtensions;
+
+[ExcludeFromCodeCoverage]
+public class ConfigureCryptographicServicesAssemblyFixture
+{
+    public ConfigureCryptographicServicesAssemblyFixture()
+    {
+        OpenGostCryptoConfig.ConfigureCryptographicServices();
+    }
+}