set default_codec doc attribute 

[skip ci] update gemspec summary 

version bump for some docs fixes 

bump patch level for doc generation 

dependency logstash-core-plugin-api >= 1.60 <= 2.99 

Make sure all the gems were published under jruby 

version 3.0.0 

dependency logstash-core-plugin-api ~> 1.0 

dependency logstash-core >= 2.0.0.beta2 < 3.0.0 

dependency logstash-core >= 2.0.0.snapshot < 3.0.0