Bump alpine version to 3.19 to custom-error-pages image and add arm build

[stafot]

What this PR does / why we need it:

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• CVE Report (Scanner found CVE and adding report)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation only

Which issue/s this PR fixes

How Has This Been Tested?

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added unit and/or e2e tests to cover my changes.
• All new and existing tests passed.

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: stafot
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[stafot]

/kind feature

[rikatz]

can you please revert this on both lines? This means for every image we will test and build against arm64, but we don't have enough resources for it, so we keep testing against amd64.

The target publishing for this image can be controlled on images.yaml workflows file

[stafot]

Closing as not relevant anymore