[chore] flake.lock: update inputs

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/e1391fb22e18a36f57e6999c7a9f966dc80ac073' (2024-07-03)
  → 'github:nix-community/home-manager/208df2e558b73b6a1f0faec98493cb59a25f62ba' (2024-09-07)
• Updated input 'nixvim':
    'github:nix-community/nixvim/2ef974182ef62a6a6992118f0beb54dce812ae9b' (2024-09-04)
  → 'github:nix-community/nixvim/810eacf5163b16b666ca70b6617c6a85ce412e0a' (2024-09-07)
• Updated input 'unstable':
    'github:NixOS/nixpkgs/ad416d066ca1222956472ab7d0555a6946746a80' (2024-09-04)
  → 'github:NixOS/nixpkgs/574d1eac1c200690e27b8eb4e24887f8df7ac27c' (2024-09-06)

flake.lock

@@ -350,11 +350,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1725693463,
-        "narHash": "sha256-ZPzhebbWBOr0zRWW10FfqfbJlan3G96/h3uqhiFqmwg=",
+        "lastModified": 1725407940,
+        "narHash": "sha256-tiN5Rlg/jiY0tyky+soJZoRzLKbPyIdlQ77xVgREDNM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "68e7dce0a6532e876980764167ad158174402c6f",
+        "rev": "6f6c45b5134a8ee2e465164811e451dcb5ad86e3",
         "type": "github"
       },
       "original": {
@@ -383,11 +383,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1725841817,
-        "narHash": "sha256-7OE2bJDI7ZT+y3YYySDgIqep/dBhTT+G4Fmwh5hMg8s=",
+        "lastModified": 1725744583,
+        "narHash": "sha256-bzJ5iUPaEjSt24fIoQihBGN+Q7mye73hd/jbubHhyZA=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "68aeb57a3500c609852157ba4283137da7a2bac7",
+        "rev": "810eacf5163b16b666ca70b6617c6a85ce412e0a",
         "type": "github"
       },
       "original": {
@@ -407,11 +407,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1725780742,
-        "narHash": "sha256-lG+FoSXXzjfm0K67KWeREdltSKJjUpoPYwMYSigVR8s=",
+        "lastModified": 1725400667,
+        "narHash": "sha256-qawXE81/8DRgCeSGluGPP1qcrqxtSU8UVFVysnfu11A=",
         "owner": "NuschtOS",
         "repo": "search",
-        "rev": "54bc1d11ab79009312236a794c9947692bc63336",
+        "rev": "9ca36bf5d8de1e51454a255208e6f6bffac24f42",
         "type": "github"
       },
       "original": {