chore(nix): update flake to support new rust toolchain (matter-labs#2211

)

## What ❔

update the nix flake

## Why ❔

to reproducibly build the zksync-era server and to develop easily with
the help of nix

## Checklist

<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->

- [x] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [ ] Tests for the changes have been added / updated.
- [ ] Documentation comments have been added / updated.
- [x] Code has been formatted via `zk fmt` and `zk lint`.
- [x] Spellcheck has been run via `zk spellcheck`.

Signed-off-by: Harald Hoyer <[email protected]>

flake.nix

@@ -22,7 +22,7 @@
 {
   description = "zkSync-era";
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
     flake-utils.url = "github:numtide/flake-utils";
     rust-overlay.url = "github:oxalica/rust-overlay";
   };
@@ -46,7 +46,7 @@
         # patched version of cargo to support `cargo vendor` for vendoring dependencies
         # see https://github.com/matter-labs/zksync-era/issues/1086
         # used as `cargo vendor --no-merge-sources`
-        cargo-vendor = pkgs.rustPlatform.buildRustPackage rec {
+        cargo-vendor = pkgs.rustPlatform.buildRustPackage {
           pname = "cargo-vendor";
           version = "0.78.0";
           src = pkgs.fetchFromGitHub {
@@ -68,7 +68,7 @@
 
         # custom import-cargo-lock to import Cargo.lock file and vendor dependencies
         # see https://github.com/matter-labs/zksync-era/issues/1086
-        import-cargo-lock = { lib, cacert, runCommand }: { src, cargoHash ? null } @ args:
+        import-cargo-lock = { lib, cacert, runCommand }: { src, cargoHash ? null }:
           runCommand "import-cargo-lock"
             {
               inherit src;
@@ -96,12 +96,12 @@
 
         stdenv = pkgs.stdenvAdapters.useMoldLinker pkgs.clangStdenv;
 
-        rustPlatform = (pkgs.makeRustPlatform {
+        rustPlatform = pkgs.makeRustPlatform {
           cargo = rustVersion;
           rustc = rustVersion;
           inherit stdenv;
-        });
-        zksync_server_cargoToml = (builtins.fromTOML (builtins.readFile ./core/bin/zksync_server/Cargo.toml));
+        };
+        zksync_server_cargoToml = builtins.fromTOML (builtins.readFile ./core/bin/zksync_server/Cargo.toml);
 
         hardeningEnable = [ "fortify3" "pie" "relro" ];