[Snyk] Security upgrade alpine from 3.20 to 3.21.0

[mlsmaycon]

Snyk has created this PR to fix 1 vulnerabilities in the dockerfile dependencies of this project.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Snyk changed the following file(s):

• client/Dockerfile

We recommend upgrading to alpine:3.21.0, as this image has only 0 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	CVE-2024-9143 SNYK-ALPINE320-OPENSSL-8235201	364
	CVE-2024-9143 SNYK-ALPINE320-OPENSSL-8235201	364

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud