flake.lock: Update

Flake lock file updates:

• Updated input 'deploy-rs/nixpkgs':
    'github:NixOS/nixpkgs/bd3bac8bfb542dbde7ffffb6987a1a1f9d41699f?narHash=sha256-jAIUqsiN2r3hCuHji80U7NNEafpIMBXiwKlSrjWMlpg%3D' (2025-03-26)
  → follows 'nixpkgs'

flake.lock

@@ -125,7 +125,9 @@
     "deploy-rs": {
       "inputs": {
         "flake-compat": "flake-compat",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
         "utils": "utils"
       },
       "locked": {
@@ -597,7 +599,7 @@
         "hyprlang": "hyprlang",
         "hyprutils": "hyprutils",
         "hyprwayland-scanner": "hyprwayland-scanner",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks",
         "systems": "systems_3",
         "xdph": "xdph"
@@ -944,16 +946,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1743014863,
-        "narHash": "sha256-jAIUqsiN2r3hCuHji80U7NNEafpIMBXiwKlSrjWMlpg=",
+        "lastModified": 1754725699,
+        "narHash": "sha256-iAcj9T/Y+3DBy2J0N+yF9XQQQ8IEb5swLFzs23CdP88=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "bd3bac8bfb542dbde7ffffb6987a1a1f9d41699f",
+        "rev": "85dbfc7aaf52ecb755f87e577ddbe6dbbdbc1054",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -1005,22 +1007,6 @@
       }
     },
     "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1754725699,
-        "narHash": "sha256-iAcj9T/Y+3DBy2J0N+yF9XQQQ8IEb5swLFzs23CdP88=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "85dbfc7aaf52ecb755f87e577ddbe6dbbdbc1054",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 1755078291,
         "narHash": "sha256-Hu/gTDoi4uy6TAKISPHQusSMy8U6xUbLSDjKBYdhDIY=",
@@ -1145,7 +1131,7 @@
         "nix-topology": "nix-topology",
         "nixos-hardware": "nixos-hardware",
         "nixos-mailserver": "nixos-mailserver",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nixvim": "nixvim",
         "pre-commit-hooks": "pre-commit-hooks_2",