Set minimum Ruby version to 3.1

Rails 7.2 needs Ruby 3.1 as minimum. It is out of support anyway.

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.0"
+          ruby-version: "3.1"
           bundler-cache: true
           rubygems: "latest"
       - name: Lint Ruby files

.rubocop.yml

@@ -1,7 +1,7 @@
 require: standard
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
 
 inherit_gem:
   standard: config/base.yml

.standard.yml

@@ -1,4 +1,4 @@
 parallel: true
-ruby_version: 3.0
+ruby_version: 3.1
 ignore:
   - "spec/dummy/**/*"

alchemy_cms.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |gem|
   gem.summary = "A powerful, userfriendly and flexible CMS for Rails"
   gem.description = "Alchemy is a powerful, userfriendly and flexible Rails CMS."
   gem.requirements << "ImageMagick (libmagick), v6.6 or greater."
-  gem.required_ruby_version = ">= 3.0.0"
+  gem.required_ruby_version = ">= 3.1.0"
   gem.license = "BSD-3-Clause"
   gem.files = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^spec/|bun\.lockdb|package\.json|^\.}) }
   gem.require_paths = ["lib"]

app/helpers/alchemy/base_helper.rb

@@ -42,8 +42,8 @@ def render_icon(icon_name, options = {})
     #     <p>Caution! This is a warning!</p>
     #   <% end %>
     #
-    def render_message(type = :info, msg = nil, &blk)
-      render Alchemy::Admin::Message.new(msg || capture(&blk), type: type)
+    def render_message(type = :info, msg = nil, &)
+      render Alchemy::Admin::Message.new(msg || capture(&), type: type)
     end
 
     # Checks if the given argument is a String or a Page object.

app/helpers/alchemy/pages_helper.rb

@@ -62,8 +62,8 @@ def render_page_layout
     #
     # renders +app/views/alchemy/site_layouts/_default_site.html.erb+ for the site named "Default Site".
     #
-    def render_site_layout(&block)
-      render current_alchemy_site, &block
+    def render_site_layout(&)
+      render(current_alchemy_site, &)
     rescue ActionView::MissingTemplate => error
       error_or_warning(error, "Site layout for #{current_alchemy_site.try(:name)} not found. Please run `rails g alchemy:site_layouts`")
     end

app/models/alchemy/elements_repository.rb

@@ -115,8 +115,8 @@ def children_of(parent)
       self.class.new(select { |e| e.parent_element_id == parent.id })
     end
 
-    def each(&blk)
-      elements.each(&blk)
+    def each(&)
+      elements.each(&)
     end
 
     private

lib/alchemy/test_support/capybara_helpers.rb

@@ -63,8 +63,8 @@ def click_icon(name)
 
       private
 
-      def within_entire_page(&block)
-        within(:xpath, "//body", &block)
+      def within_entire_page(&)
+        within(:xpath, "//body", &)
       end
 
       def find_label_by_text(text)