Bump dependency xunit.v3 to v3 (#1542)

| datasource | package  | from  | to    |
| ---------- | -------- | ----- | ----- |
| nuget      | xunit.v3 | 2.0.3 | 3.0.0 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

tests/TodoApp.Tests/TodoApp.Tests.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="ReportGenerator" Version="5.4.8" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.2" />
-    <PackageReference Include="xunit.v3" Version="2.0.3" />
+    <PackageReference Include="xunit.v3" Version="3.0.0" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="oauth-http-bundle.json;xunit.runner.json;xunit.runner.json" CopyToOutputDirectory="PreserveNewest" />