[Snyk] Security upgrade alpine from 3.4 to 3.14#3

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masterdalejrodriguez/git-server-docker:masterfrom

snyk-fix-d1203539f5b86d21e6dfc639042a4fdedalejrodriguez/git-server-docker:snyk-fix-d1203539f5b86d21e6dfc639042a4fdeCopy head branch name to clipboard