[Snyk] Security upgrade alpine from 3.9 to 3.18.4#3

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crashdump wants to merge 1 commit intomasterfrom snyk-fix-3b61806ae69423743fe7c42bf8b0d831

+1-1

Commits on Sep 30, 2023

fix: docker/Dockerfile.flux to reduce vulnerabilities
snyk-bot
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