Bump recast dependency to latest version.
Bump recast dependency to latest version.

sebmck/regenerator,Jericho25/regenerator,kittens/regenerator,Jericho25/regenerator,juliocanares/regenerator,rafaelstz/regenerator,juliocanares/regenerator,RReverser/js-goto-transpiler,facebook/regenerator,facebook/regenerator,kittens/regenerator,liviuignat/regenerator,liviuignat/regenerator,rafaelstz/regenerator,facebook/regenerator,sebmck/regenerator,RReverser/js-goto-transpiler