Added https://github.com/apache/pulsar/discussions/22682 to discussions on the SPIFFE support in Pulsar. I am willing to submit code changes here. Is a Separate plugin preferred like athenz or can i submit changes to https://github.com/apache/pulsar/blob/master/pulsar-broker-common/src/main/java/or[…]che/pulsar/broker/authentication/AuthenticationProviderTls.java as which has preference to SAN if present otherwise CN ?