[Snyk] Security upgrade alpine from latest to 3.18.3#3

psyadm wants to merge 1 commit intomasterNetstackDE/nextcloud-client-docker:masterfrom

snyk-fix-cce75be55c61b0ea07ebbcc7ab7cf951NetstackDE/nextcloud-client-docker:snyk-fix-cce75be55c61b0ea07ebbcc7ab7cf951Copy head branch name to clipboard