Unlock JRuby version

Refs. railsadminteam@51d4539

Author: mshibuya

.github/workflows/test.yml

@@ -78,7 +78,7 @@ jobs:
  orm: mongoid
  adapter: sqlite3
  asset: sprockets
- - ruby: jruby-9.4.5.0
+ - ruby: jruby-9.4
  gemfile: gemfiles/rails_7.0.gemfile
  orm: active_record
  adapter: mysql2