chore(deps): update rustc-hash requirement from 1 to 2

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] <support@github.com>

core/Cargo.toml

@@ -27,7 +27,7 @@ http = { version = "1.1", default-features = false, optional = true }
 bytes = { version = "1.6", optional = true }
 http-body = { version = "1", optional = true }
 http-body-util = { version = "0.1.1", optional = true }
-rustc-hash = { version = "1", optional = true }
+rustc-hash = { version = "2", optional = true }
 rand = { version = "0.8", optional = true }
 parking_lot = { version = "0.12", optional = true }
 tokio = { version = "1.23.1", optional = true }