Test Red Hat Feed

[jasinner]

Pushed the Red Hat OSV records to a temporary Github repository for testing. Actually content will be published to a Rest API as outlined in the osv-schema PR: ossf/osv-schema#257

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[andrewpollock]

There's some duck-alignment required before this can be merged:

• a new OSV-Schema release that includes add RHBA and RHEA advisory prefixes sometimes used by Red Hat ossf/osv-schema#272 is needed
• the OSV-Schema submodule needs to be updated to that release

[andrewpollock]

/gcbrun

[andrewpollock]

@jasinner It turns out that because your test repo is using LFS, our Importer isn't processing it correctly, so this isn't working as desired in our Staging environment.

Also, the all.json file isn't structured as an array.