Migrate vcpkg and Go detectors from `Newtonsoft.Json` to `System.TextJson`#1570

JamieMagee wants to merge 5 commits intomainmicrosoft/component-detection:mainfrom

users/jamagee/go-vcpkg-system.text.jsonmicrosoft/component-detection:users/jamagee/go-vcpkg-system.text.jsonCopy head branch name to clipboard