fix: update all flake.locks

templates/rust/flake.nix

@@ -1,10 +1,14 @@
 {
   description = "Rust Developer Environment";
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     rust.url = "github:oxalica/rust-overlay";
   };
-  outputs = { self, nixpkgs, rust }: let
+  outputs = {
+    self,
+    nixpkgs,
+    rust,
+  }: let
     systems = [
       "x86_64-linux"
       "aarch64-linux"
@@ -15,12 +19,12 @@
       pkgs = import nixpkgs {
         inherit system;
         overlays = [
-	  (import rust)
+          (import rust)
         ];
       };
       inherit system;
     in {
-      rust-app = pkgs.callPackage ./nix/package.nix { };
+      rust-app = pkgs.callPackage ./nix/package.nix {};
       default = self.packages.${system}.rust-app;
     });
 
@@ -28,7 +32,7 @@
       pkgs = import nixpkgs {
         inherit system;
         overlays = [
-	  (import rust)
+          (import rust)
         ];
       };
       inherit system;