chore(deps): update dependency recipeengine.modules.api to v6

Author: unity-renovate[bot]

Tools/CI/NGO.Cookbook.csproj

@@ -11,7 +11,7 @@
         <PackageReference Include="RecipeEngine" Version="8.1.0" />
         <PackageReference Include="RecipeEngine.Api" Version="12.8.0" />
         <PackageReference Include="RecipeEngine.Api.Extensions" Version="7.2.1" />
-        <PackageReference Include="RecipeEngine.Modules.Api" Version="5.1.0" />
+        <PackageReference Include="RecipeEngine.Modules.Api" Version="6.0.0" />
         <PackageReference Include="RecipeEngine.Modules.Wrench" Version="2.9.0" />
     </ItemGroup>