[Snyk] Security upgrade debian from 9.5-slim to stretch-20210816-slim#113

Open

snyk-bot wants to merge 1 commit intomainfrom

snyk-fix-e6940160c0dee7cc292d702e7a367b35

Commits on Aug 18, 2021

fix: translations/ko-KR/content/actions/creating-actions/dockerfile-support-for-github-actions.md to reduce vulnerabilities
snyk-bot
committed