Directives on directives

EXPERIMENTAL

Allow to add directives on directive definitions. This is useful, for an example to deprecate existing directives.

More info: https://github.com/graphql/graphql-spec/pull/1206

Projects

Project Name	Supported Since	Note
Apollo Client	?	Contribute
Apollo Kotlin	5.0.0-alpha.4
Apollo Router	?	Contribute
Apollo Server	?	Contribute
Apollo iOS	?	Contribute
Domain Graph Service (DGS) Framework	?	Contribute
GraphQL Code Generator	?	Contribute
GraphQL Java	?	Contribute
GraphQL Kotlin	?	Contribute
GraphQL Yoga	?	Contribute
GraphQL.js	?	open PR
GraphiQL	?	Contribute
Grats	?	Contribute
Hot Chocolate	?	Contribute
Relay	?	Contribute
Spring for GraphQL	?	Contribute
gql.tada	?	Contribute
urql	?	Contribute