Do not support old versions of Rails + Ruby / Prepare for 4.0.0

.github/workflows/ci.yml

@@ -15,33 +15,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.5, 2.6, 2.7, '3.0', 3.1, 3.2, 3.3, jruby-9.2, jruby-9.3, jruby-9.4]
-        gemfile: [rails-5.2.gemfile, rails-6.0.gemfile, rails-6.1.gemfile, rails-7.0.gemfile, rails-main.gemfile]
+        ruby: [2.7, '3.0', 3.1, 3.2, 3.3, jruby-9.2, jruby-9.3, jruby-9.4]
+        gemfile: [rails-7.0.gemfile, rails-main.gemfile]
 
         exclude:
-          # Rails 5 does not work with Ruby 3
-          - gemfile: rails-5.2.gemfile
-            ruby: '3.0'
-          - gemfile: rails-5.2.gemfile
-            ruby: 3.1
-          - gemfile: rails-5.2.gemfile
-            ruby: 3.2
-          - gemfile: rails-5.2.gemfile
-            ruby: 3.3
-          - gemfile: rails-5.2.gemfile
-            ruby: jruby-9.4
-
-          # Rails 7 requires Ruby >= 2.7
-          - gemfile: rails-7.0.gemfile
-            ruby: 2.5
-          - gemfile: rails-main.gemfile
-            ruby: 2.5
-
-          - gemfile: rails-7.0.gemfile
-            ruby: 2.6
-          - gemfile: rails-main.gemfile
-            ruby: 2.6
-
           - gemfile: rails-7.0.gemfile
             ruby: jruby-9.2
           - gemfile: rails-main.gemfile

VERSION

@@ -1 +1 @@
-3.13.0
+4.0.0

sample_app/Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    aws-sdk-rails (3.12.0)
+    aws-sdk-rails (4.0.0)
       aws-record (~> 2)
       aws-sdk-ses (~> 1, >= 1.50.0)
       aws-sdk-sesv2 (~> 1, >= 1.34.0)

test/test_helper.rb

@@ -7,6 +7,7 @@
 require 'rspec/expectations/minitest_integration'
 
 ENV['RAILS_ENV'] = 'test'
+
 require_relative 'dummy/config/application'
 
 Rails.application.initialize!