Export secrets by type

[jboursier-mwb]

Is your feature request related to a problem? Please describe.
It's only possible to export all open or resolved secrets, but it's not possible to export only certain secret types.

Describe the solution you'd like
The ability to export a specific secret type only.

Describe alternatives you've considered
Export the entire list of secrets, and then filter in the csv directly.

Additional context
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[jboursier-mwb]

See https://docs.github.com/en/enterprise-cloud@latest/rest/secret-scanning?apiVersion=2022-11-28#list-secret-scanning-alerts-for-an-organization