[Snyk] Security upgrade python from 3.7-slim to 3.8.18-slim#1

katz18 wants to merge 1 commit intomasterproteantecs/lintly-flake8-github-action:masterfrom

snyk-fix-1a84cdfa3827ec4223f0046c66773f0bproteantecs/lintly-flake8-github-action:snyk-fix-1a84cdfa3827ec4223f0046c66773f0bCopy head branch name to clipboard