Bump cosmwasm-schema from 1.2.2 to 1.2.3

Bumps [cosmwasm-schema](https://github.com/CosmWasm/cosmwasm) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/CosmWasm/cosmwasm/releases)
- [Changelog](https://github.com/CosmWasm/cosmwasm/blob/main/CHANGELOG.md)
- [Commits](CosmWasm/cosmwasm@v1.2.2...v1.2.3)

---
updated-dependencies:
- dependency-name: cosmwasm-schema
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -49,4 +49,4 @@ serde = { version = "1.0.158", default-features = false, features = ["derive"] }
 base64 = "0.21.0"
 
 [dev-dependencies]
-cosmwasm-schema = { version = "1.1.8" }
+cosmwasm-schema = { version = "1.2.3" }