Added "RUSTSEC-2024-0437" - protobuf uncontrolled recursion to the cargo audit ignore list

This is equivalent to the "RUSTSEC-2024-0437" deny.toml entry in iotaledger/iota that addresses  iotaledger/iota#5861

Author: chrisgitiota

.cargo/audit.toml

@@ -1,5 +1,6 @@
 [advisories]
 ignore = [
+  "RUSTSEC-2024-0437", # protobuf uncontrolled recursion https://github.com/iotaledger/iota/issues/5861
   "RUSTSEC-2021-0127", # serde_cbor is unmaintained https://github.com/iotaledger/identity.rs/issues/518
   "RUSTSEC-2023-0052", # temporary ignore until fix is provided
   "RUSTSEC-2023-0065", # temporary ignore until fix is provided