CI: Add Ruby 3.4 support

Author: bastelfreak

.github/workflows/test.yml

@@ -35,6 +35,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
           - jruby-9.4
         openvox:
           - "~> 8"
@@ -62,7 +63,7 @@ jobs:
     name: "Ruby ${{ matrix.ruby }} - OpenVox ${{ matrix.openvox }}"
     steps:
       - name: Enable coverage reporting on Ruby 3.1
-        if: matrix.openvox == '~> 7.24' && matrix.ruby == '3.1'
+        if: matrix.openvox == '~> 7' && matrix.ruby == '3.1'
         run: echo 'COVERAGE=yes' >> $GITHUB_ENV
       - uses: actions/checkout@v5
       - name: Install Ruby ${{ matrix.ruby }}

Gemfile

@@ -33,3 +33,6 @@ group :coverage, optional: ENV['COVERAGE'] != 'yes' do
   gem 'codecov', require: false
   gem 'simplecov-console', require: false
 end
+
+# syslog is a dependency of openvox on Ruby 3.4
+gem 'syslog'