Fix the permissions on the buildpack dir when created by Dagger
Fix the permissions on the buildpack dir when created by Dagger

[#160371455]

Co-authored-by: Danny Joyce <656eadb1608d5e3ea5db131e513d97abdf96b075@pivotal.io>

cloudfoundry/nodejs-buildpack,cloudfoundry/nodejs-buildpack,cloudfoundry/nodejs-buildpack,cloudfoundry/nodejs-buildpack