[Snyk] Security upgrade alpine from 3.19.1 to 3.20.3

[unn]

Snyk has created this PR to fix 4 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):

• Dockerfile

We recommend upgrading to alpine:3.20.3, 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-ALPINE319-BUSYBOX-6913413	514
	Use After Free SNYK-ALPINE319-BUSYBOX-6928845	514
	Use After Free SNYK-ALPINE319-BUSYBOX-6928846	514
	Use After Free SNYK-ALPINE319-BUSYBOX-6928846	514
	Use After Free SNYK-ALPINE319-BUSYBOX-6928847	514

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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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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.30%. Comparing base (f4fdb50) to head (de01fef).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #239   +/-   ##
=======================================
  Coverage   55.30%   55.30%           
=======================================
  Files          12       12           
  Lines        2318     2318           
=======================================
  Hits         1282     1282           
  Misses        886      886           
  Partials      150      150           

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