make db-build is broken

[mozillazg]

2020/10/04 00:37:32 Updating python-safety-db data...
2020/10/04 00:37:32 error in python-safety-db update: failed to update python vulnerabilities: failed to decode JSON: json: cannot unmarshal object into Go value of type []python.RawAdvisory
make: *** [db-build] Error 1
Error: Makefile:77: recipe for target 'db-build' failed
Error: Process completed with exit code 2.

https://github.com/aquasecurity/trivy-db/actions/runs/287205703

The root case is:

• pyupio/safety-db@b412631 changed the format of insecure_full.json .
• Migrate to V3 advisory format rustsec/advisory-db#414 changed the format of advisory-db.

[mozillazg]

Fixed via #74 and #75