[Snyk] Security upgrade alpine from latest to 3.15.4#13

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snyk-fix-84e2aee30235d95c95da8231f7d765fa

Commits on Apr 6, 2022

fix: aws-lambda-java-runtime-interface-client/src/main/jni/deps/aws-lambda-cpp-0.2.7/examples/Dockerfile to reduce vulnerabilities
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