upgrade ruby

Author: EmCousin

.github/workflows/ruby.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.6', '2.7', '3.0']
+        ruby-version: ['3.0', '3.1', '3.2']
 
     steps:
     - uses: actions/checkout@v3

.rubocop.yml

@@ -6,7 +6,7 @@ AllCops:
   NewCops: enable
   Exclude:
     - spec/**/*
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 3.2
 
 Metrics/ClassLength:
   Max: 150

grape-jsonapi.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |gem|
   gem.version       = Grape::Jsonapi::VERSION
   gem.licenses      = ['MIT']
 
-  gem.required_ruby_version = '>= 2.6.0'
+  gem.required_ruby_version = '>= 3.2.0'
 
   gem.add_dependency 'grape'
   gem.add_dependency 'jsonapi-serializer'

lib/grape_jsonapi/parser.rb

@@ -47,7 +47,7 @@ def default_schema_object
 
       def enrich_with_attributes(schema)
         attributes_hash.each do |attribute, type|
-          schema[:data][:properties][:attributes][:properties][attribute] = { type: type }
+          schema[:data][:properties][:attributes][:properties][attribute] = { type: }
           example_method = "#{type}_example"
           unless respond_to?(example_method, true)
             puts "WARN unexpected type encountered, missing #{example_method}  --use string example instead"
@@ -144,7 +144,7 @@ def relationships_example(relationship_data)
 
         data = [data] if relationship_data[:relationship_type] == :has_many
 
-        { data: data }
+        { data: }
       end
 
       def integer_example