Declare csv as a runtime dependency. Ruby 3.4 demoted csv from a default gem.

Author: dmitry-sinina

jsonapi-resources.gemspec

@@ -33,4 +33,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'activerecord', '>= 4.1'
   spec.add_dependency 'railties', '>= 4.1'
   spec.add_dependency 'concurrent-ruby'
+  # CSV parses filter, include and sort params. It was a default gem until Ruby
+  # 3.4 demoted it to a bundled gem, so it has to be declared explicitly.
+  spec.add_dependency 'csv'
 end

lib/jsonapi/request_parser.rb

@@ -1,3 +1,4 @@
+require 'csv'
 require 'jsonapi/operation'
 require 'jsonapi/paginator'
 

lib/jsonapi/resource.rb

@@ -1,3 +1,4 @@
+require 'csv'
 require 'jsonapi/callbacks'
 require 'jsonapi/relationship_builder'
 require 'jsonapi/deprecation'