flake: fix broken inherit

lock: update inputs

- fixes error when build from up to date nixpkgs systems
- fixes scenefx 0.5 being missing
- keeps flake-parts up-to-date with the used nixpkgs

flake.lock

@@ -5,11 +5,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1749398372,
-        "narHash": "sha256-tYBdgS56eXYaWVW3fsnPQ/nFlgWi/Z2Ymhyu21zVM98=",
+        "lastModified": 1782949081,
+        "narHash": "sha256-vp6Y/Grm98ESt6ceOkWiHWyZRDV3J1RID4w+6NWK9yA=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "9305fe4e5c2a6fcf5ba6a3ff155720fbe4076569",
+        "rev": "17c9d6cdfc60c64f4ee8d306f9bc0b4ccb51481e",
         "type": "github"
       },
       "original": {
@@ -41,11 +41,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1778274207,
-        "narHash": "sha256-I4puXmX1iovcCHZlRmztO3vW0mAbbRvq4F8wgIMQ1MM=",
+        "lastModified": 1783279667,
+        "narHash": "sha256-/NAkDSsve+GNM0Bt6tleJdCGfsTlK89nPjkVOzZMo0s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b3da656039dc7a6240f27b2ef8cc6a3ef3bccae7",
+        "rev": "f205b5574fd0cb7da5b702a2da51507b7f4fdd1b",
         "type": "github"
       },
       "original": {
@@ -57,11 +57,11 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1748740939,
-        "narHash": "sha256-rQaysilft1aVMwF14xIdGS3sj1yHlI6oKQNBRTF40cc=",
+        "lastModified": 1782614948,
+        "narHash": "sha256-ePjCwr1sNm9NYUqywL7QfK3JnlS015msC+eBu2zKlp8=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "656a64127e9d791a334452c6b6606d17539476e2",
+        "rev": "db3f255737b94216eb71cce308e2912cf6bc2d7c",
         "type": "github"
       },
       "original": {
@@ -86,11 +86,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1762447505,
-        "narHash": "sha256-VEBQ8KXkSS4c+kdAhmvq06lEd9WNeCXdRK1U+qSilFw=",
+        "lastModified": 1782624992,
+        "narHash": "sha256-vUjLG6eubEhJJVa9LPygIcVmNoHwYbSUTJcWEcbxnU4=",
         "owner": "wlrfx",
         "repo": "scenefx",
-        "rev": "7f9e7409f6169fa637f1265895c121a8f8b70272",
+        "rev": "37ccd723bef49e6891156ffafce8f549f01446cc",
         "type": "github"
       },
       "original": {

flake.nix

@@ -25,13 +25,12 @@
 
       perSystem = {
         config,
-        system,
         pkgs,
         ...
       }: let
         inherit (pkgs) callPackage;
         mango = callPackage ./nix {
-          scenefx = inputs.scenefx.packages.${system}.default;
+          scenefx = inputs.scenefx.packages.${pkgs.stdenv.hostPlatform.system}.default;
         };
         shellOverride = old: {
           nativeBuildInputs = old.nativeBuildInputs ++ [];