[Snyk] Security upgrade ruby from 2.5.1-alpine to 2.7.4-alpine#4

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

snyk-fix-016809c24182c65e18a0f0c63aeba072lirantal/docker-travis-cli:snyk-fix-016809c24182c65e18a0f0c63aeba072Copy head branch name to clipboard