Nixpkgs Update

flake.lock

@@ -2,15 +2,14 @@
   "nodes": {
     "btc-clients": {
       "inputs": {
-        "nixpkgs": "nixpkgs",
-        "oldNixpkgs": "oldNixpkgs"
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1778249589,
-        "narHash": "sha256-cFH0R9iUjNXTpcpX8mOWULOHaKYK5GLLXCcA/5JaED8=",
+        "lastModified": 1780843257,
+        "narHash": "sha256-XaNFoIonZ2eK1exIK1ZwGcovlRmKLix9wtg8o8ZfzNQ=",
         "owner": "emmanuelrosa",
         "repo": "btc-clients-nix",
-        "rev": "11e7ad2de56ac8f0172ecebf5efb782042bec516",
+        "rev": "bf82a60ed457f09f17906702683f22e7665a3c91",
         "type": "github"
       },
       "original": {
@@ -21,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1777728799,
-        "narHash": "sha256-z7jjYQqhkFKab92VQ3duB7QVO7f7Y62qTFrJYXO/lyo=",
+        "lastModified": 1780218263,
+        "narHash": "sha256-T/f0pPDrH3Qc1VXyQXbK7yfHWRn90l3xwplc/nsxin4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4b2287113c2f9a2331c04899b2e2e5ab92dea9c5",
+        "rev": "7fc393d1b46fa000d48ff14e8b6a3c9985f03af0",
         "type": "github"
       },
       "original": {
@@ -36,11 +35,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1777954456,
-        "narHash": "sha256-hGdgeU2Nk87RAuZyYjyDjFL6LK7dAZN5RE9+hrDTkDU=",
+        "lastModified": 1780243769,
+        "narHash": "sha256-x5UQuRsH3MqI0U9afaXSNqzTPSeZlRLvFAav2Ux1pNw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "549bd84d6279f9852cae6225e372cc67fb91a4c1",
+        "rev": "331800de5053fcebacf6813adb5db9c9dca22a0c",
         "type": "github"
       },
       "original": {
@@ -50,22 +49,6 @@
         "type": "github"
       }
     },
-    "oldNixpkgs": {
-      "locked": {
-        "lastModified": 1727619874,
-        "narHash": "sha256-a4Jcd+vjQAzF675/7B1LN3U2ay22jfDAVA8pOml5J/0=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "6710d0dd013f55809648dfb1265b8f85447d30a6",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "6710d0dd013f55809648dfb1265b8f85447d30a6",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "btc-clients": "btc-clients",