build: update flake

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "crane": {
       "locked": {
-        "lastModified": 1785782307,
-        "narHash": "sha256-MPaRdVkf6zZP5fCPxYCi8Dr4pZzgmXzg8T9nVEbp3Mw=",
+        "lastModified": 1793669695,
+        "narHash": "sha256-9EtV4I6Ohw0tjidL31TMOKHhW/QGVG8NuGiemzIaNCs=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "2c71e194474d13de031d729b729c968ddbe3507f",
+        "rev": "788369ed71ed9d84ef72cb056e4d920050d5b32c",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "lastModified": 1791914995,
+        "narHash": "sha256-Zf/xfQEAasnwnmEfHqW/4hjDE/s44yn2hD4RuVIZRjA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "rev": "b7a79d3fea1e214f6d668d521cecec0c01e26544",
         "type": "github"
       },
       "original": {
@@ -35,18 +35,15 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1785747939,
-        "narHash": "sha256-D740uKsMbgsfK2oaDenJLLPIZfq7W0/g4KN/Fls8eKs=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "104240a772428cc2e20d8fd86c9ddbb886bbaff2",
-        "type": "github"
+        "lastModified": 1793706278,
+        "narHash": "sha256-iCbwhLa+h23/rxGQD9YJJ+BrMYHCPKB6au/BsobNWB4=",
+        "rev": "ea9e3ef341e11c193537f674f821a99f9f436729",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1107593.ea9e3ef341e1/nixexprs.tar.zst?lastModified=1793706278&rev=ea9e3ef341e11c193537f674f821a99f9f436729"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.zst"
       }
     },
     "root": {

flake.nix

@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    nixpkgs.url = "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.zst";
 
     crane.url = "github:ipetkov/crane";