Update simple-error requirement from 0.2.3 to 0.3.0

Updates the requirements on [simple-error](https://github.com/WiSaGaN/simple-error) to permit the latest version.
- [Release notes](https://github.com/WiSaGaN/simple-error/releases)
- [Changelog](https://github.com/WiSaGaN/simple-error/blob/master/CHANGELOG.md)
- [Commits](WiSaGaN/simple-error@v0.2.3...v0.3.0)

---
updated-dependencies:
- dependency-name: simple-error
  dependency-type: direct:production
...

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

Cargo.toml

@@ -20,7 +20,7 @@ solana-transaction-status = { version = "=1.11.3" }
 log = "0.4"
 serde_json = "1.0"
 serde = { version = "1.0", features = ["derive"] }
-simple-error = "0.2.3"
+simple-error = "0.3.0"
 
 [build-dependencies]
 prost-build = "0.10"