chore(deps): bump NUnit.Runners from 3.11.1 to 3.12.0

Bumps [NUnit.Runners](https://github.com/nunit/nunit-console) from 3.11.1 to 3.12.0.
- [Release notes](https://github.com/nunit/nunit-console/releases)
- [Changelog](https://github.com/nunit/nunit-console/blob/master/CHANGES.txt)
- [Commits](https://github.com/nunit/nunit-console/compare/v3.11.1...v3.12)

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

build/Uno.UI.Build.csproj

@@ -35,7 +35,7 @@
 			<Version>1.5.0.235</Version>
 		</PackageReference>
 		<PackageReference Include="NUnit.Runners">
-			<Version>3.11.1</Version>
+			<Version>3.12.0</Version>
 		</PackageReference>
 	</ItemGroup>