[Snyk] Security upgrade alpine from 3.19 to 3

[mefellows]

This PR was automatically created by Snyk using the credentials of a real user.


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-bundle-base

We recommend upgrading to alpine:3, as this image has only 3 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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• 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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[YOU54F]

• Updating to pinned 3.20 rather than unpinned 3
• Updates ruby to 3.3.3
• Update deps
  • racc is introduced through a dep and requires to be built whilst we have our build env, as its a native extension
• rubygem update was failing to resolve without being provided a version, updated to the current latest as of writing