Land rapid7#17409, rhost walker handle interupt signal

Author: jheysel-r7

lib/msf/core/rhosts_walker.rb

@@ -151,6 +151,8 @@ def parse(value, datastore)
               results << datastore.merge(overrides)
             end
           end
+        rescue ::Interrupt
+          raise
         rescue StandardError => e
           results << Msf::RhostsWalker::Error.new(value, cause: e)
         end