Some older records have both related and alias

[jess-lowe]

https://osv.dev/vulnerability/GHSA-8j65-4pcq-xq95 & https://osv.dev/vulnerability/CVE-2021-29489

[michaelkedar]

Actually, this example specifically is because, in the raw data, CVE-2021-29489 lists the GHSA as related, and GHSA-8j65-4pcq-xq95 lists the CVE as an alias. So they're getting added to each other's fields 🙃

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