bump protobuf

Author: pr0n00gler

Cargo.toml

@@ -27,7 +27,7 @@ prost-types = "0.12.1"
 cosmos-sdk-proto = { version = "0.20.0", default-features = false }
 bech32 = "0.9.1"
 thiserror = "1.0.49"
-protobuf = "~3.3.0"
+protobuf = "~3.7.2"
 hex = "0.4.3"
 serde_json = { version = "1.0.87" }
 tendermint-proto = "0.34.1"