View the EPSS score for a CVE

Collect EPSS for CVEs during ingestion. 

https://epss.cyentia.com/epss_scores-YYYY-MM-DD.csv.gz

Based on https://github.com/lunasec-io/lunasec/blob/4b1bd8261592cb333928667865fe99215a896b03/lunatrace/bsl/ingest-worker/cmd/ingestworker/vulnerability/vulnerability.go#L67

CWEs get pulled down from a zip file.