feat: allow empty arguments for field resolvers#1350

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

ludwig/eng-8592-allow-providing-no-arguments-to-field-resolverswundergraph/graphql-go-tools:ludwig/eng-8592-allow-providing-no-arguments-to-field-resolversCopy head branch name to clipboard