CDP multi-arch image build

[hughcapet]

Build multi-arch image and push it to Zalando Container Registry on every commit to master

[hughcapet]

@mmoscher it is for internal use only. OS version will still be published in ghcr :)

[mmoscher]

@mmoscher it is for internal use only. OS version will still be published in ghcr :)

@hughcapet ok, good to know 😃! but also cool to see that you now have a multi-arch registry internally

[FxKu]

:+1:

[hughcapet]

👍