[Snyk] Security upgrade alpine from 3.9 to 3.18.3#1

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crashdump wants to merge 1 commit intomasterfrom snyk-fix-3ede3a2a578de43fda6303ed7acbf8a8

+1-1

Commits on Aug 9, 2023

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