build(deps): Update rustc-hash requirement in /packages/mrml-core

Updates the requirements on [rustc-hash](https://github.com/rust-lang/rustc-hash) to permit the latest version.
- [Changelog](https://github.com/rust-lang/rustc-hash/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/rustc-hash/commits)

---
updated-dependencies:
- dependency-name: rustc-hash
  dependency-type: direct:production
...

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

packages/mrml-core/Cargo.toml

@@ -41,7 +41,7 @@ serde = { version = "1.0", optional = true, features = ["derive"] }
 serde_json = { version = "1.0", optional = true }
 xmlparser = { version = "0.13", optional = true }
 indexmap = { version = "2.0", default-features = false }
-rustc-hash = { version = "1.1", default-features = false }
+rustc-hash = { version = "2.0", default-features = false }
 thiserror = { version = "1.0", optional = true }
 
 # http-loader feature related