Update NuGet packages

DiscordChatExporter.Cli.Tests/DiscordChatExporter.Cli.Tests.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="7.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="ReflectionMagic" Version="4.1.0" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" PrivateAssets="all" />

DiscordChatExporter.Gui/DiscordChatExporter.Gui.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="MaterialDesignThemes" Version="4.7.1" />
     <PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.39" />
     <PackageReference Include="Ookii.Dialogs.Wpf" Version="5.0.1" />
-    <PackageReference Include="Onova" Version="2.6.4" />
+    <PackageReference Include="Onova" Version="2.6.6" />
     <PackageReference Include="Stylet" Version="1.3.6" />
     <PackageReference Include="PropertyChanged.Fody" Version="4.1.0" PrivateAssets="all" />
     <PackageReference Include="DotnetRuntimeBootstrapper" Version="2.4.0" PrivateAssets="all" />