Use ParserOutput stateless transforms
Use ParserOutput stateless transforms

See MediaWiki core change Ied5fe1a61. There's no need for a dependency
here, though, since it'll just ignore the extra parameter.

Change-Id: Iff28b00638c15de7307a130196bbb91cda91c3d1

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo