start ruby 3.4 compatibility

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.1', '3.2', '3.3']
+        ruby: ['3.1', '3.2', '3.3', '3.4']
     runs-on: ubuntu-latest
     services:
       postgres:

Gemfile

@@ -28,6 +28,7 @@ gem 'cancancan'
 gem 'iq_rdf'
 gem 'iq_triplestorage'
 gem 'json'
+gem 'csv'
 gem 'rails_autolink'
 gem 'faraday'
 gem 'faraday_middleware'
@@ -70,4 +71,5 @@ group :test do
   gem 'capybara'
   gem 'cuprite'
   gem 'webmock'
+  gem 'mutex_m'
 end

Gemfile.lock

@@ -81,7 +81,7 @@ GEM
     bigdecimal (3.1.8)
     bigdecimal (3.1.8-java)
     bindex (0.8.1)
-    bootsnap (1.18.3)
+    bootsnap (1.18.4)
       msgpack (~> 1.2)
     bootstrap_form (4.5.0)
       actionpack (>= 5.2)
@@ -112,6 +112,7 @@ GEM
       bigdecimal
       rexml
     crass (1.0.6)
+    csv (3.3.2)
     cuprite (0.15.1)
       capybara (~> 3.0)
       ferrum (~> 0.15.0)
@@ -284,10 +285,11 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.8)
     minitest (5.25.4)
-    msgpack (1.7.3)
-    msgpack (1.7.3-java)
+    msgpack (1.7.5)
+    msgpack (1.7.5-java)
     multi_json (1.15.0)
     multipart-post (2.3.0)
+    mutex_m (0.3.0)
     net-http (0.4.1)
       uri
     net-http-persistent (4.0.4)
@@ -520,6 +522,7 @@ DEPENDENCIES
   carrierwave
   carrierwave-i18n
   concurrent-ruby (= 1.3.4)
+  csv
   cuprite
   database_cleaner
   debug
@@ -535,6 +538,7 @@ DEPENDENCIES
   linkeddata
   listen (~> 3.3)
   maruku
+  mutex_m
   net-http
   nokogiri
   pg

config/engine.rb

@@ -9,6 +9,7 @@
 require 'iq_rdf'
 require 'deep_cloneable'
 require 'json'
+require 'csv'
 require 'rails_autolink'
 require 'bootstrap_form'
 require 'apipie-rails'