[Snyk] Security upgrade alpine from latest to 3.15.4#12

snyk-bot wants to merge 1 commit intomainjensteichert/webvitals_exporter:mainfrom

snyk-fix-496b07d1e2529d85c1a63b5d01b8e1b7jensteichert/webvitals_exporter:snyk-fix-496b07d1e2529d85c1a63b5d01b8e1b7Copy head branch name to clipboard