bb9396e3a4
This commit enables HTTP/2 support for Tomcat and Undertow, for both Servlet-based and Reactive applications. Enabling the `server.http2.enabled` configuration flag is enough with Undertow. Tomcat has a few prerequisites: * Tomcat 8.5 requires JDK8+ and the proper libtcnative version installed on the host * Tomcat 9.0.x requires JDK9+ Closes gh-10043