Add resolver types to registry resolvers

Relates to https://gitlab.com/gitlab-org/gitlab/issues/281697

.rubocop_manual_todo.yml

@@ -47,9 +47,6 @@ Graphql/ResolverType:
     - 'app/graphql/resolvers/error_tracking/sentry_error_stack_trace_resolver.rb'
     - 'app/graphql/resolvers/merge_requests_resolver.rb'
     - 'app/graphql/resolvers/users/group_count_resolver.rb'
-    - 'ee/app/graphql/resolvers/geo/merge_request_diff_registries_resolver.rb'
-    - 'ee/app/graphql/resolvers/geo/package_file_registries_resolver.rb'
-    - 'ee/app/graphql/resolvers/geo/terraform_state_version_registries_resolver.rb'
     - 'ee/app/graphql/resolvers/vulnerabilities_base_resolver.rb'
 
 Rails/SaveBang:

ee/app/graphql/resolvers/geo/merge_request_diff_registries_resolver.rb

@@ -3,6 +3,8 @@
 module Resolvers
   module Geo
     class MergeRequestDiffRegistriesResolver < BaseResolver
+      type ::Types::Geo::GeoNodeType.connection_type, null: true
+
       include RegistriesResolver
     end
   end

ee/app/graphql/resolvers/geo/package_file_registries_resolver.rb

@@ -3,6 +3,8 @@
 module Resolvers
   module Geo
     class PackageFileRegistriesResolver < BaseResolver
+      type ::Types::Geo::GeoNodeType.connection_type, null: true
+
       include RegistriesResolver
     end
   end

ee/app/graphql/resolvers/geo/terraform_state_version_registries_resolver.rb

@@ -3,6 +3,8 @@
 module Resolvers
   module Geo
     class TerraformStateVersionRegistriesResolver < BaseResolver
+      type ::Types::Geo::GeoNodeType.connection_type, null: true
+
       include RegistriesResolver
     end
   end