Revert "Disable integrity manifest writing"
Revert "Disable integrity manifest writing"

This reverts commit 2b0bdf985a65086e74d8e0d8c1e93a956cb058fe.

rails/sprockets,recursecenter/sprockets,sideci-sample/sideci-sample-sprockets,prathamesh-sonpatki/sprockets,masarakki/sprockets,bdezonia/sprockets,eileencodes/sprockets,jeremy/sprockets,orlando/sprockets,tricknotes/sprockets,prusswan/sprockets,basecamp/sprockets,askl56/sprockets,sferik/sprockets,daniel-rikowski/sprockets,jcoyne/sprockets,JuanitoFatas/sprockets,maclover7/sprockets,kappezoro/sprockets,Andreis13/sprockets,guilleiguaran/sprockets,byroot/sprockets