fix(typescript): include package.json in third-party DeclarationInfo
fix(typescript): include package.json in third-party DeclarationInfo

It may be needed in transitive compilations to resolve the "typings" key

Fixes #2044

alexeagle/rules_nodejs,alexeagle/rules_nodejs,alexeagle/rules_nodejs,bazelbuild/rules_nodejs,bazelbuild/rules_nodejs,bazelbuild/rules_nodejs,bazelbuild/rules_nodejs,alexeagle/rules_nodejs,bazelbuild/rules_nodejs