chore: Bump the tested rust version to 1.59.0

This fixes #1.

Context: https://blog.rust-lang.org/2022/02/24/Rust-1.59.0.html

flake.lock

@@ -101,11 +101,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1645527175,
-        "narHash": "sha256-WeewqaO48sCctiN+iwgZZEJRU29Si7vHHoLCINAvuk8=",
+        "lastModified": 1645623357,
+        "narHash": "sha256-vAaI91QFn/kY/uMiebW+kG2mPmxirMSJWYtkqkBKdDc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "38346f64616c3176f73ad0f20e51557ec0f3d75d",
+        "rev": "9222ae36b208d1c6b55d88e10aa68f969b5b5244",
         "type": "github"
       },
       "original": {
@@ -158,11 +158,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1645582796,
-        "narHash": "sha256-rdhliZfxqZLLuZynCkzjSuQOtNNXY262QBkTkZZBe4Q=",
+        "lastModified": 1645755566,
+        "narHash": "sha256-BwjpcywzB+4hHuStgYcOWRomI8I2PCtORUbNEL6qMBk=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "87fec8d51f87b2b5cf7f6a7ffda4f46218e6a3c7",
+        "rev": "46d8d20fce510c6a25fa66f36e31f207f6ea49e4",
         "type": "github"
       },
       "original": {

nix/apiDerivations.nix

@@ -37,7 +37,7 @@ let
     packageFun = import ./Cargo.nix;
     workspaceSrc = self.packages.${system}."${name}-rust-src";
     packageOverrides = pkgs: pkgs.rustBuilder.overrides.all;
-    rustChannel = "1.58.1";
+    rustChannel = "1.59.0";
   };
 in
 pkgs.lib.lists.foldr (a: b: a // b)