Update cosmwasm-schema requirement from 1.5.3 to 2.0.4

Updates the requirements on [cosmwasm-schema](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/v2.0.4/CHANGELOG.md)
- [Commits](CosmWasm/cosmwasm@v1.5.3...v2.0.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.toml

@@ -25,7 +25,7 @@ usb-plugin = { path = "contracts/usb" }
 usb-adapter = { path = "contracts/usb-adapter" }
 
 cosmwasm-std = { version = "1.5.3", features = ["cosmwasm_1_2"] }
-cosmwasm-schema = { version = "1.5.3" }
+cosmwasm-schema = { version = "2.0.4" }
 abstract-std = { version = "0.22.2" }
 abstract-app = { version = "0.22.2" }
 abstract-adapter = { version = "0.22.2" }