chore: Bump Microsoft.NET.Test.Sdk from 18.5.1 to 18.6.0

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tests/SVNPathCopy.Tests/SVNPathCopy.Tests.csproj

@@ -9,7 +9,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
         <PackageReference Include="NUnit" Version="4.4.0" />
         <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
         <PackageReference Include="NUnit.Analyzers" Version="4.12.0">