Bump xunit from 2.5.0 to 2.5.1

Bumps [xunit](https://github.com/xunit/xunit) from 2.5.0 to 2.5.1.
- [Commits](xunit/xunit@2.5.0...2.5.1)

---
updated-dependencies:
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

test/TestBuildingBlocks/TestBuildingBlocks.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="$(EFCoreVersion)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="$(EFCorePostgresVersion)" />
-    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit" Version="2.5.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" PrivateAssets="All" />
   </ItemGroup>
 </Project>