Bump the testing group with 1 update

Bumps TUnit from 1.56.18 to 1.58.0

---
updated-dependencies:
- dependency-name: TUnit
  dependency-version: 1.58.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: testing
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -9,7 +9,7 @@
     <PackageVersion Include="FluentValidation.DependencyInjectionExtensions" Version="12.1.1" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />
-    <PackageVersion Include="TUnit" Version="1.56.18" />
+    <PackageVersion Include="TUnit" Version="1.58.0" />
     <PackageVersion Include="Verify.SourceGenerators" Version="2.5.0" />
     <PackageVersion Include="Verify.TUnit" Version="31.20.0" />
   </ItemGroup>