[pom] Update fb-contrib to 7.4.2.sb
[pom] Update fb-contrib to 7.4.2.sb

hazendaz/waffle,dblock/waffle,hazendaz/waffle,Waffle/waffle,Waffle/waffle,dblock/waffle,dblock/waffle,hazendaz/waffle,Waffle/waffle,dblock/waffle