[Snyk] Security upgrade debian from stretch-20210721-slim to 9-slim#167

Open

snyk-bot wants to merge 1 commit intomainfrom

snyk-fix-be5b53f645137ae77f78873dba479667

Commits on Dec 11, 2021

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