update ci to build and release multi-architecture images (#571)
update ci to build and release multi-architecture images (#571)

* update ci to build and release multi-architecture images

Signed-off-by: Michael Fornaro <4a9db4ab22813dc478cf54532a0026df01e1a5d0@users.noreply.github.com>

* Update Makefile

Signed-off-by: Michael Fornaro <4a9db4ab22813dc478cf54532a0026df01e1a5d0@users.noreply.github.com>

* update buildx tags for releases and use make env tag for dev

Signed-off-by: Michael Fornaro <4a9db4ab22813dc478cf54532a0026df01e1a5d0@users.noreply.github.com>
open-policy-agent/gatekeeper,open-policy-agent/gatekeeper,open-policy-agent/gatekeeper,open-policy-agent/gatekeeper,open-policy-agent/gatekeeper