Merge pull request cake-build#60 from devlead/feature/cake-buildgh-59

GH59: Update TUnit to 1.5.60

Author: devlead

src/Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
     <!-- Test dependencies -->
-    <PackageVersion Include="TUnit" Version="1.5.53" />
+    <PackageVersion Include="TUnit" Version="1.5.60" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.TUnit" Version="31.8.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.3" />