Update minimum Ruby version to 2.7 & test on 3.x

.github/workflows/ruby.yml

@@ -19,8 +19,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.5', '2.6', '2.7', '3.0', 'head']
-    continue-on-error: ${{ matrix.ruby-version == '3.0' || matrix.ruby-version == 'head' }}
+        ruby-version: ['2.7', '3.0', '3.1', '3.2', '3.3', 'head']
+    continue-on-error: ${{ matrix.ruby-version == 'head' }}
 
     steps:
     - uses: actions/checkout@v4

.rubocop_todo.yml

@@ -1,18 +1,11 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2024-06-24 14:45:35 UTC using RuboCop version 1.64.1.
+# on 2024-07-15 15:09:37 UTC using RuboCop version 1.64.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 1
-# Configuration parameters: Severity, Include.
-# Include: **/*.gemspec
-Gemspec/RequiredRubyVersion:
-  Exclude:
-    - 'fog-libvirt.gemspec'
-
 # Offense count: 30
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle, IndentationWidth.

fog-libvirt.gemspec

@@ -22,7 +22,7 @@ Gem::Specification.new do |s|
   s.rdoc_options = ["--charset=UTF-8"]
   s.extra_rdoc_files = %w[README.md]
 
-  s.required_ruby_version = '>= 2.5.0'
+  s.required_ruby_version = '>= 2.7'
 
   s.add_dependency("fog-core", ">= 1.27.4")
   s.add_dependency("fog-json")