[Snyk] Security upgrade ruby from 2.5.1-alpine to 2.7-alpine#6

snyk-bot wants to merge 1 commit intomasterlirantal/docker-travis-cli:masterfrom

snyk-fix-60de33cb11e8c02de72bc95778bface8lirantal/docker-travis-cli:snyk-fix-60de33cb11e8c02de72bc95778bface8Copy head branch name to clipboard