[Snyk] Security upgrade alpine from 3.2 to 3.21.3#7

mhill-os wants to merge 1 commit into

masterOrdnanceSurvey/docker-bench-security:masterfrom

snyk-fix-08546d4141d318e4b61a617d16e5d0b3OrdnanceSurvey/docker-bench-security:snyk-fix-08546d4141d318e4b61a617d16e5d0b3Copy head branch name to clipboard