Update to tendermint-proto 0.27 (#40)

Author: mzabaluev

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name         = "ibc-proto"
-version      = "0.22.0"
+version      = "0.23.0"
 authors      = ["Informal Systems <hello@informal.systems>"]
 edition      = "2021"
 license      = "Apache-2.0"
@@ -33,7 +33,7 @@ base64      = { version = "0.13", default-features = false, features = ["alloc"]
 flex-error = { version = "0.4.4", default-features = false }
 
 [dependencies.tendermint-proto]
-version          = "0.26.0"
+version          = "0.27"
 default-features = false
 
 [features]