chore: Bump NUnit3TestAdapter from 5.2.0 to 6.0.0

---
updated-dependencies:
- dependency-name: NUnit3TestAdapter
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="NUglify" Version="1.21.17" />
     <PackageVersion Include="nunit" Version="4.4.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.11.2" />
-    <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="6.0.0" />
     <PackageVersion Include="Scriban" Version="6.5.2" />
     <PackageVersion Include="SharpZipLib" Version="1.4.2" />
     <PackageVersion Include="System.ComponentModel.Annotations" Version="5.0.0" />