fix(nix): bump version and force use of python 3.12 to fix mpv gpu issues

flake.lock

@@ -20,17 +20,17 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1753345091,
-        "narHash": "sha256-CdX2Rtvp5I8HGu9swBmYuq+ILwRxpXdJwlpg8jvN4tU=",
+        "lastModified": 1756386758,
+        "narHash": "sha256-1wxxznpW2CKvI9VdniaUnTT2Os6rdRJcRUf65ZK9OtE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "3ff0e34b1383648053bba8ed03f201d3466f90c9",
+        "rev": "dfb2f12e899db4876308eba6d93455ab7da304cd",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
-        "rev": "3ff0e34b1383648053bba8ed03f201d3466f90c9",
         "type": "github"
       }
     },

flake.nix

@@ -2,8 +2,7 @@
   description = "Viu Project Flake";
 
   inputs = {
-    # The nixpkgs unstable latest commit breaks the plyer python package
-    nixpkgs.url = "github:nixos/nixpkgs/3ff0e34b1383648053bba8ed03f201d3466f90c9";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
   };
 
@@ -17,21 +16,21 @@
       system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
-        inherit (pkgs) lib python3Packages;
+        inherit (pkgs) lib python312Packages;
 
         version = "3.1.0";
       in
       {
-        packages.default = python3Packages.buildPythonApplication {
+        packages.default = python312Packages.buildPythonApplication {
           pname = "viu";
           inherit version;
           pyproject = true;
 
           src = self;
 
-          build-system = with python3Packages; [ hatchling ];
+          build-system = with python312Packages; [ hatchling ];
 
-          dependencies = with python3Packages; [
+          dependencies = with python312Packages; [
             click
             inquirerpy
             requests