[Snyk] Security upgrade alpine from 3.7 to 3.18.6#10

rvu-snyk wants to merge 1 commit intomasteruswitch/aws-sigv4-proxy:masterfrom

snyk-fix-9cefcec20588d830604002060ece481euswitch/aws-sigv4-proxy:snyk-fix-9cefcec20588d830604002060ece481eCopy head branch name to clipboard