[Snyk] Security upgrade ruby from 2.6.6-slim to 2.6-slim#3

Open

soloinovator wants to merge 1 commit intomasterfrom snyk-fix-b09991225bb0b562bb05431846aa7b9b

+1-1

Commits on Apr 27, 2022

fix: Dockerfile to reduce vulnerabilities
snyk-bot
committed