Function provider_config_update_subject

pub fn provider_config_update_subject(
    lattice: &str,
    provider_key: &str,
) -> String

Generate the wasmbus RPC subject for delivering config updates to a given provider

When messages are published on this subject, providers up the perform shutdown (cleanly if possible).

NOTE that the NATS message body limits (default 1MiB) apply to these messages