[Snyk] Security upgrade alpine from 3.21.0 to 3.23.3

[Somefive]

Snyk has created this PR to fix 3 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):

• cmd/apiserver/Dockerfile

We recommend upgrading to alpine:3.23.3, 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-2025-26519 SNYK-ALPINE321-MUSL-8720634	614
	CVE-2025-26519 SNYK-ALPINE321-MUSL-8720634	614
	CVE-2024-58251 SNYK-ALPINE321-BUSYBOX-14102399	364
	CVE-2024-58251 SNYK-ALPINE321-BUSYBOX-14102399	364
	CVE-2025-46394 SNYK-ALPINE321-BUSYBOX-14102401	364

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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Summary by cubic

Update cmd/apiserver/Dockerfile to use alpine:3.23.3 instead of 3.21.0, fixing Snyk-reported musl and busybox CVEs. No functional changes; please confirm the image builds and runs as expected.

^{Written for commit ed2a1a4. Summary will update on new commits.}

[cubic-dev-ai]

No issues found across 1 file

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.10%. Comparing base (2ffce4c) to head (ed2a1a4).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #67   +/-   ##
=======================================
  Coverage   84.10%   84.10%           
=======================================
  Files          36       36           
  Lines        1095     1095           
=======================================
  Hits          921      921           
  Misses        114      114           
  Partials       60       60           

Flag	Coverage Δ
unit-test	84.10% <ø> (ø)

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