Bump serde_json from 1.0.54 to 1.0.56

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.54 to 1.0.56.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.54...v1.0.56)

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

sdk/Cargo.toml

@@ -47,7 +47,7 @@ rand_chacha = { version = "0.2.2", optional = true }
 serde = "1.0.112"
 serde_bytes = "0.11"
 serde_derive = "1.0.103"
-serde_json = { version = "1.0.54", optional = true }
+serde_json = { version = "1.0.56", optional = true }
 sha2 = "0.8.2"
 thiserror = "1.0"
 ed25519-dalek = { version = "=1.0.0-pre.3", optional = true }