Remove unsupported Ruby versions on CI

Author: slonopotamus

.github/workflows/ci.yml

@@ -9,15 +9,15 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.1'
+          ruby-version: '3.2'
           bundler-cache: true
       - name: Lint
         run: bundle exec rake lint
   test:
     strategy:
       matrix:
         # Test oldest and newest supported versions
-        ruby: ['jruby-9.2', 'jruby-9.4', '2.5', '3.1']
+        ruby: ['jruby', '2.6', '3.2']
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -26,7 +26,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'adopt'
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1

CHANGELOG.adoc

@@ -7,6 +7,10 @@
 This document provides a high-level view of the changes to the {project-name} by release.
 For a detailed view of what has changed, refer to the {uri-project}/commits/master[commit history] on GitHub.
 
+== Unreleased
+
+* Remove unsupported Ruby versions on CI
+
 == 0.7.0 (2022-12-18) - @slonopotamus
 
 * fix handling of image paths with path separators

asciidoctor-fb2.gemspec

@@ -10,7 +10,7 @@ Gem::Specification.new do |s|
   s.summary = 'Converts AsciiDoc documents to FB2 e-book formats'
   s.homepage = 'https://github.com/asciidoctor/asciidoctor-fb2'
   s.license = 'MIT'
-  s.required_ruby_version = '>= 2.5.0'
+  s.required_ruby_version = '>= 2.6.0'
 
   s.files = `git ls-files`.split("\n").reject { |f| f.match(%r{^spec/}) }
   s.executables = `git ls-files -- bin/*`.split("\n").map do |f|