[v1.3.x] Drop JRuby 9.3 testing, bumping to Java 11 minimum with Servlet 3.1 and 4.0 compilation compatibility#286

kares merged 2 commits into

jruby:masterjruby/jruby-rack:masterfrom

chadlwilson:java11-servlet4chadlwilson/jruby-rack:java11-servlet4Copy head branch name to clipboard