Use Rack's SERVER_PROTOCOL instead of HTTP_VERSION header

Fix: rails#53925
Ref: rack/rack#1883

This will prevent issues with future version of rack and/or servers.

Co-Authored-By: MSP-Greg <[email protected]>

Author: byroot

actionpack/lib/action_controller/metal/live.rb

@@ -58,7 +58,7 @@ module Live
 
     module ClassMethods
       def make_response!(request)
-        if request.get_header("HTTP_VERSION") == "HTTP/1.0"
+        if (request.get_header("SERVER_PROTOCOL") || request.get_header("HTTP_VERSION")) == "HTTP/1.0"
           super
         else
           Live::Response.new.tap do |res|