[Snyk] Security upgrade ruby from 3.4.1-slim to 3.4.6-slim

[Freika]

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):

• docker/Dockerfile.prod

We recommend upgrading to ruby:3.4.6-slim, as this image has only 22 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
	Heap-based Buffer Overflow SNYK-DEBIAN12-GNUTLS28-10690985	614
	Double Free SNYK-DEBIAN12-GNUTLS28-10690987	614
	Improper Certificate Validation SNYK-DEBIAN12-PERL-5489190	614
	Improper Authentication SNYK-DEBIAN12-SHADOW-5879156	514
	Improper Authentication SNYK-DEBIAN12-SHADOW-5879156	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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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Double Free
🦉 Improper Authentication

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✨ Finishing touches

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch snyk-fix-ff9137fb605e5cb272386e968cbd5aa0

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