[Snyk] Security upgrade alpine from 3.11 to 3.21.2#21

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kaocher82 wants to merge 1 commit intomasterfrom snyk-fix-8d45f36dcc3c3f710d2f9d50c295ba5e

+1-1

Commits on Jan 13, 2025

fix: tools/alpine/Dockerfile to reduce vulnerabilities
snyk-bot
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