a CLI for Data::Gimei

Changes for v0.2.3 - 2023-12-18T08:38:25Z

• delete stale comment
• update perl version
• update actions/checkout@v4
• change default value of gender and word_subtype
• perl tidy
• delete unused module
• [test]do not check exit_code when there's an error message
• [test]introduce t::Util
• [test]rename files