Investigate other sources of vulnerabilities

[bunny-therapist]

... and create issues to enable them.

Candidates:

• https://cve.mitre.org/ (thanks to 22Maxx on r/python)
• "the OSV database" (thanks to Zamaamiro on r/python)
• https://ossindex.sonatype.org/

[bunny-therapist]

Ideally, there should be a minimal overlap with GHSA. I see an issue in that most of the databases have a huge overlap.