[Snyk] Security upgrade python from 3-alpine to 3.12.0a1-alpine#2

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-3e7dec89f7b355569d4928f149ae5e56

+1-1

Commits on Oct 27, 2022

fix: Dockerfile to reduce vulnerabilities
snyk-bot
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