Run CI with truffleruby only to repro

Author: eregon

.github/workflows/test.yml

@@ -19,20 +19,9 @@ jobs:
       matrix:
         os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm, macos-13, macos-14, macos-15, macos-15-intel, windows-2022, windows-2025, windows-11-arm ]
         ruby: [
-          '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', ruby-head,
-          jruby-9.4, jruby, jruby-head,
           truffleruby, truffleruby-head,
           truffleruby+graalvm, truffleruby+graalvm-head
         ]
-        include:
-        - { os: windows-2022, ruby: mingw }
-        - { os: windows-2022, ruby: mswin }
-        - { os: windows-2022, ruby: ucrt  }
-        - { os: windows-2025, ruby: mingw }
-        - { os: windows-2025, ruby: mswin }
-        - { os: windows-2025, ruby: ucrt  }
-        - { os: ubuntu-24.04, ruby: asan }
-        - { os: ubuntu-24.04, ruby: 3.4-asan }
         exclude:
         # https://github.com/ruby/setup-ruby/issues/496
         - { os: ubuntu-22.04, ruby: '2.2' }