Generate and upload keys.json + discovery.json to public store
Don't enable anonymous auth on publicjwks
Remove tests that won't work using FS VFS anymore
When the PublicJWKS feature-flag is set, we expose the apiserver JWKS
document publicly (including enabling anonymous access). This is a
stepping stone to a more hardened configuration where we copy the JWKS
document to S3/GCS/etc.
Co-authored-by: John Gardiner Myers <jgmyers@proofpoint.com>