v0.0.74

• Add yarn 1.19.2, remove yarn 1.19.1
  for stack(s) io.buildpacks.stacks.bionic, org.cloudfoundry.stacks.cflinuxfs3, org.cloudfoundry.stacks.tiny
  (https://www.pivotaltracker.com/story/show/169916770)

Packaged binaries:

name	version	stacks
yarn	1.19.2	io.buildpacks.stacks.bionic, org.cloudfoundry.stacks.cflinuxfs3
yarn	1.19.1	io.buildpacks.stacks.bionic, org.cloudfoundry.stacks.cflinuxfs3, org.cloudfoundry.stacks.tiny

Supported stacks:

name
org.cloudfoundry.stacks.cflinuxfs3
io.buildpacks.stacks.bionic