chore(deps): update ibc-proto requirement in /crates/ibc

Updates the requirements on [ibc-proto](https://github.com/cosmos/ibc-proto-rs) to permit the latest version.
- [Release notes](https://github.com/cosmos/ibc-proto-rs/releases)
- [Changelog](https://github.com/cosmos/ibc-proto-rs/blob/main/CHANGELOG.md)
- [Commits](cosmos/ibc-proto-rs@v0.37.1...v0.38.0)

---
updated-dependencies:
- dependency-name: ibc-proto
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

crates/ibc/Cargo.toml

@@ -50,7 +50,7 @@ mocks = ["tendermint-testgen", "parking_lot", "typed-builder", "std"]
 
 [dependencies]
 # Proto definitions for all IBC-related interfaces, e.g., connections or channels.
-ibc-proto = { version = "0.37.1", default-features = false }
+ibc-proto = { version = "0.38.0", default-features = false }
 ics23 = { version = "0.11", default-features = false, features = ["host-functions"] }
 time = { version = ">=0.3.0, <0.3.31", default-features = false }
 serde_derive = { version = "1.0.104", default-features = false, optional = true }