[Tech]: remove freezed version for ahash dependency after rustc is updated.

[Alexey-N-Chernyshov]

Problem statement

ahash is freezed in node/cargo.toml while new version is available. Old rustc prevents from update. Once the rustc and toolchain is updated, we can use the latest version of ahash.

Description

No response

Definition of Done

ahash is removed from node/cargo.toml.

Requirements

• rust toolchain is updated