[Snyk] Security upgrade alpine from 3.2 to 3.13.7#3

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-d2c8f8c384d75cf1622ae88c35e2d6ad

+1-1

Commits on Nov 16, 2021

fix: Dockerfile to reduce vulnerabilities
snyk-bot
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