[Snyk] Security upgrade python from 3.9-slim to 3.14.3-slim

[adricu]

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):

• Dockerfile

We recommend upgrading to python:3.14.3-slim, as this image has only 26 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-2025-69421 SNYK-DEBIAN13-OPENSSL-15123186	686
	CVE-2025-69421 SNYK-DEBIAN13-OPENSSL-15123186	686
	CVE-2025-69421 SNYK-DEBIAN13-OPENSSL-15123186	686
	CVE-2026-22795 SNYK-DEBIAN13-OPENSSL-15123206	436
	CVE-2025-11187 SNYK-DEBIAN13-OPENSSL-15123211	436

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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 Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (3522009) to head (cb1d7ef).
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Additional details and impacted files

@@            Coverage Diff            @@
##            master      #141   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           18        18           
  Lines          298       298           
  Branches         8         8           
=========================================
  Hits           298       298           

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