Possibility to dump the comments and bundles in an archive

[cedricbonhomme]

Add a way to dump (a command and/or via the web interface) all the comments and bundles in JSON format, in a archive. The same way we are doing for the various vulnerability sources.

[cedricbonhomme]

Usage:

$ dump --comments --bundles
Dumping comments...
Dumping bundles...
$ cat dumps/bundles.ndjson | jq
{
  "uuid": "94cb9f68-8d24-4081-831d-57d60423195f",
  "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd",
  "name": "Bundle 42",
  "description": "Test",
  "description_format": "markdown",
  "creation_timestamp": "2024-07-31T11:15:40.455037Z",
  "timestamp": "2024-07-31T11:15:40.455037Z",
  "related_vulnerabilities": [
    "CVE-2024-31497"
  ],
  "meta": {}
}
.
.
.