Switch azure default region to west us
Update find-image script to work with new API spec
Add version for every os image build
generate measurements: Use new API paths
CLI: config fetch measurements: Use image short versions to fetch measurements
CLI: allows shortnames to specify image in config
Image build pipeline: Change paths to contain "ref" and "stream"
* cleaned up actions and new measure action to generate, sign and upload measurements
* improve constellation ip fetching to support multiple control nodes
Signed-off-by: Fabian Kammel <fk@edgeless.systems>