What

Update nix overlay for newer Rust versions.

Why

Using newer features of rust, like in this MR which uses return -> impl Trait for trait functions.

Updated the hash for the overlay github commit.

nix-shell should work.

Document the interface of any function added or modified (see the coding guidelines)
Document any change to the user interface, including configuration parameters (see node configuration)
Provide automatic testing (see the testing guide).
For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
Select suitable reviewers using the Reviewers field below.
Select as Assignee the next person who should take action on that MR

Edited Jul 30, 2024 by Felix Puscasu