Add yarn 1.19.2, remove yarn 1.19.1
Add yarn 1.19.2, remove yarn 1.19.1

for stack(s) cflinuxfs3 [#169916770]

cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack