[chore] flake.lock: update inputs

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/1bbc1a5a1f4de7401c92db85b2119ed21bb4139d' (2024-09-20)
  → 'github:nix-community/home-manager/2f23fa308a7c067e52dfcc30a0758f47043ec176' (2024-09-22)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/944b2aea7f0a2d7c79f72468106bc5510cbf5101' (2024-09-20)
  → 'github:NixOS/nixpkgs/babc25a577c3310cce57c72d5bed70f4c3c3843a' (2024-09-23)
• Updated input 'nixvim':
    'github:nix-community/nixvim/2bc6a949924319f61619d32695115a61394741f8' (2024-09-21)
  → 'github:nix-community/nixvim/7bda0f1ce49e9da252bcee20b5f700e6dcd3cf8d' (2024-09-25)
• Updated input 'nixvim/nuschtosSearch':
    'github:NuschtOS/search/7733a39a1321057172d87e6251ded7cdeb67171e' (2024-09-20)
  → 'github:NuschtOS/search/3b7dd61b365ca45380707453758a45f2e9977be3' (2024-09-22)
• Updated input 'unstable':
    'github:NixOS/nixpkgs/c04d5652cfa9742b1d519688f65d1bbccea9eb7e' (2024-09-19)
  → 'github:NixOS/nixpkgs/9357f4f23713673f310988025d9dc261c20e70c6' (2024-09-21)

flake.lock

@@ -350,11 +350,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1726969270,
-        "narHash": "sha256-8fnFlXBgM/uSvBlLWjZ0Z0sOdRBesyNdH0+esxqizGc=",
+        "lastModified": 1727129439,
+        "narHash": "sha256-nPyrcFm6FSk7CxzVW4x2hu62aLDghNcv9dX6DF3dXw8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "23cbb250f3bf4f516a2d0bf03c51a30900848075",
+        "rev": "babc25a577c3310cce57c72d5bed70f4c3c3843a",
         "type": "github"
       },
       "original": {
@@ -383,11 +383,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1727186381,
-        "narHash": "sha256-T6vSJAvbYSBsaUkwh2adbIt7liE2xpcRhmlosMNZnDo=",
+        "lastModified": 1727286212,
+        "narHash": "sha256-iab+k8m6+MBkwQoyqMcMYggwILHCkMSkgNYd1GN0FbM=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "8f991cc8bc417ddbd1d5c7732268255557c13f4a",
+        "rev": "7bda0f1ce49e9da252bcee20b5f700e6dcd3cf8d",
         "type": "github"
       },
       "original": {