Added Velero Plugin for Microsoft Azure

[simoncaron]

Signed-off-by: Simon Caron [email protected]

Description

Add the Azure plugin image for Velero.

I've been building this image for a few months since they do not provide any other arch than amd64. It would be nice if it could be automated like the other plugins.

Checklist

• All commits are signed off. See the section Developer’s Certificate of Origin
• Provide a title or release-note blurb suitable for the release notes.
• All pre-commit hook validation passed successfully.
• All commits contain a well-written commit description including a title, description, and a Fixes: #XXX line if the commit addresses a particular GitHub issue.
• All workflow validation and compliance checks are passing.