Update cw-storage-plus requirement from 1.2.0 to 2.0.0

Updates the requirements on [cw-storage-plus](https://github.com/CosmWasm/cw-storage-plus) to permit the latest version.
- [Changelog](https://github.com/CosmWasm/cw-storage-plus/blob/main/CHANGELOG.md)
- [Commits](CosmWasm/cw-storage-plus@v1.2.0...v1.2.0)

---
updated-dependencies:
- dependency-name: cw-storage-plus
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -28,7 +28,7 @@ cosmwasm-std = { version = "1.5.3" }
 cosmwasm-schema = { version = "1.5.3" }
 cw-semver = { version = "1.0" }
 cw-controllers = { version = "1.1.2" }
-cw-storage-plus = "1.2.0"
+cw-storage-plus = "2.0.0"
 thiserror = { version = "1.0.50" }
 schemars = "0.8"
 cw-asset = { version = "3.0.0" }