[Snyk] Security upgrade alpine from 3.16 to 3.21.3

[cruizen]

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):

• hostplumber/pkg/ovs-docker/Dockerfile

We recommend upgrading to alpine:3.21.3, 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
	Out-of-bounds Write SNYK-ALPINE316-BUSYBOX-6913410	514
	Out-of-bounds Write SNYK-ALPINE316-BUSYBOX-6913410	514

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• 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 Bito

Security enhancement PR that upgrades the Alpine base image from 3.16 to 3.21.3 in Docker configuration. The update specifically addresses a BusyBox Out-of-bounds Write vulnerability (SNYK-ALPINE316-BUSYBOX-6913410) with a severity score of 514/1000. This is an automated security update implemented by Snyk.

Unit tests added: False

Estimated effort to review (1-5, lower is better): 1

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Code Review Agent Run #d05457

Actionable Suggestions - 0

Review Details

• Files reviewed - 1 · Commit Range: 27e3b36..27e3b36

  • hostplumber/pkg/ovs-docker/Dockerfile
• Files skipped - 0
• Tools

  • Golangci-lint (Linter) - ✔︎ Successful
  • Whispers (Secret Scanner) - ✔︎ Successful
  • Detect-secrets (Secret Scanner) - ✔︎ Successful

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Changelist by Bito

This pull request implements the following key changes.

Key Change	Files Impacted
Other Improvements - Security Update - Alpine Base Image	- Dockerfile - Upgraded Alpine base image from 3.16 to 3.21.3 to fix security vulnerabilities