[Snyk] Security upgrade alpine from 3.11 to 3.18.3#3

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nr-security-github wants to merge 1 commit intomasterfrom snyk-fix-49ca9ff8eaf9ef0d9e8d06ca1c435d29

+1-1

Commits on Aug 8, 2023

fix: images/kube-deploy/imagebuilder/Dockerfile to reduce vulnerabilities
snyk-bot
committed