[GR-13760] Explicitly depend on 'tool:nfi'

Author: ansalond

mx.truffleruby/native-image.properties

@@ -3,7 +3,7 @@
 
 ImageName = truffleruby
 
-Requires = tool:truffle
+Requires = tool:truffle tool:nfi
 
 LauncherClass = org.truffleruby.launcher.RubyLauncher
 LauncherClassPath = languages/ruby/truffleruby-annotations.jar:languages/ruby/truffleruby-shared.jar:lib/graalvm/launcher-common.jar:lib/graalvm/truffleruby-launcher.jar