flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.614481%2Brev-5c24cf2f0a12ad855f444c30b2421d044120c66f/018efa00-a443-7f41-b371-ce568b5c7e9f/source.tar.gz?narHash=sha256-XtTSSIB2DA6tOv%2Bl0FhvfDMiyCmhoRbNB%2B0SeInZkbk%3D' (2024-04-19)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.781462%2Brev-f675531bc7e6657c10a18b565cfebd8aa9e24c14/019624ad-56cd-7f8b-93ed-52e57165b6b6/source.tar.gz?narHash=sha256-gbl9hE39nQRpZaLjhWKmEu5ejtQsgI5TWYrIVVJn30U%3D' (2025-04-09)

flake.lock

@@ -2,12 +2,12 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1713537308,
-        "narHash": "sha256-XtTSSIB2DA6tOv+l0FhvfDMiyCmhoRbNB+0SeInZkbk=",
-        "rev": "5c24cf2f0a12ad855f444c30b2421d044120c66f",
-        "revCount": 614481,
+        "lastModified": 1744232761,
+        "narHash": "sha256-gbl9hE39nQRpZaLjhWKmEu5ejtQsgI5TWYrIVVJn30U=",
+        "rev": "f675531bc7e6657c10a18b565cfebd8aa9e24c14",
+        "revCount": 781462,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.614481%2Brev-5c24cf2f0a12ad855f444c30b2421d044120c66f/018efa00-a443-7f41-b371-ce568b5c7e9f/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.781462%2Brev-f675531bc7e6657c10a18b565cfebd8aa9e24c14/019624ad-56cd-7f8b-93ed-52e57165b6b6/source.tar.gz"
       },
       "original": {
         "type": "tarball",