image-builder: Add equivs package

The equivs package is used to create dummy Debian packages which can be useful in development to satisfy dependencies without installing the real package. Note that this package is not the recommended way of dealing with broken dependencies: a bug report should be filed instead.

Signed-off-by: Christopher Obbard chris.obbard@collabora.com

enabled an automatic merge when the pipeline for 042de693 succeeds

merged