chore(deps): update cosmwasm-std requirement from 1.5.4 to 2.0.2

Updates the requirements on [cosmwasm-std](https://github.com/CosmWasm/cosmwasm) to permit the latest version.
- [Release notes](https://github.com/CosmWasm/cosmwasm/releases)
- [Changelog](https://github.com/CosmWasm/cosmwasm/blob/v1.5.4/CHANGELOG.md)
- [Commits](CosmWasm/cosmwasm@v1.5.4...v1.5.4)

---
updated-dependencies:
- dependency-name: cosmwasm-std
  dependency-type: direct:production
...

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

Cargo.toml

@@ -117,7 +117,7 @@ tendermint-testgen               = { version = "0.35.0", default-features = fals
 ### used by chains supporting the wasm-enabled version of ibc-go v7.3
 ### (This is the min version of `ibc-go` that supports `08-wasm` light clients)
 cosmwasm-schema    = { version = "1.5.4" }
-cosmwasm-std       = { version = "1.5.4" }
+cosmwasm-std       = { version = "2.0.2" }
 cosmwasm-vm        = { version = "1.5.4" }
 cw-storage-plus    = { version = "1.2.0" }