fix: invalid data resolution for null parent types#1428

Noroth merged 2 commits intomasterwundergraph/graphql-go-tools:masterfrom

ludwig/eng-9091-check-invalid-data-for-message-types-in-proto-compilerwundergraph/graphql-go-tools:ludwig/eng-9091-check-invalid-data-for-message-types-in-proto-compilerCopy head branch name to clipboard