[Snyk] Security upgrade alpine from 3.12.7 to 3.13.6#20

snyk-bot wants to merge 1 commit intomastergovpf/docker-prometheus:masterfrom

snyk-fix-18c01e8681fd4b460e4a76bdd5ceceecgovpf/docker-prometheus:snyk-fix-18c01e8681fd4b460e4a76bdd5ceceecCopy head branch name to clipboard