Update nix flake (#6291)

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740367490,
-        "narHash": "sha256-WGaHVAjcrv+Cun7zPlI41SerRtfknGQap281+AakSAw=",
+        "lastModified": 1753694789,
+        "narHash": "sha256-cKgvtz6fKuK1Xr5LQW/zOUiAC0oSQoA9nOISB0pJZqM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0196c0175e9191c474c26ab5548db27ef5d34b05",
+        "rev": "dc9637876d0dcc8c9e5e22986b857632effeb727",
         "type": "github"
       },
       "original": {
@@ -35,11 +35,11 @@
     },
     "nixpkgs-claude": {
       "locked": {
-        "lastModified": 1751271578,
-        "narHash": "sha256-P/SQmKDu06x8yv7i0s8bvnnuJYkxVGBWLWHaU+tt4YY=",
+        "lastModified": 1753694789,
+        "narHash": "sha256-cKgvtz6fKuK1Xr5LQW/zOUiAC0oSQoA9nOISB0pJZqM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3016b4b15d13f3089db8a41ef937b13a9e33a8df",
+        "rev": "dc9637876d0dcc8c9e5e22986b857632effeb727",
         "type": "github"
       },
       "original": {
@@ -50,11 +50,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1736320768,
-        "narHash": "sha256-nIYdTAiKIGnFNugbomgBJR+Xv5F1ZQU+HfaBqJKroC0=",
+        "lastModified": 1744536153,
+        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4bc9c909d9ac828a039f288cf872d16d38185db8",
+        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
         "type": "github"
       },
       "original": {
@@ -77,11 +77,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1740536993,
-        "narHash": "sha256-3YI+1ONZ28chM19Hep9Z+TSyiybYf/1VC/gwImVZKUw=",
+        "lastModified": 1753757591,
+        "narHash": "sha256-3okLvry8fRWZhJZP75pPC9P6U1dcu84VOCPhPLXYozI=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "9f05c0655de9dc2c7b60b689447c48abb9190bf8",
+        "rev": "b372cf71b4125d420d7648cbd898ab8f5c355be2",
         "type": "github"
       },
       "original": {