flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/27a6182347ccae90a88231ae0dc5dfa7d15815bb?narHash=sha256-fZatn/KLfHLDXnF0wy7JxXqGaZmGDTVufT4o/AOlj44%3D' (2025-12-06)
  → 'github:nix-community/home-manager/a7887340779d5e70ef68012f3823568ee59eaa30?narHash=sha256-/cjofqGxSWpRj2XJM%2BBd5VUgWDkBWSxxO//HE%2BzOHMY%3D' (2025-12-08)

flake.lock

@@ -28,11 +28,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1764998300,
-        "narHash": "sha256-fZatn/KLfHLDXnF0wy7JxXqGaZmGDTVufT4o/AOlj44=",
+        "lastModified": 1765172714,
+        "narHash": "sha256-/cjofqGxSWpRj2XJM+Bd5VUgWDkBWSxxO//HE+zOHMY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "27a6182347ccae90a88231ae0dc5dfa7d15815bb",
+        "rev": "a7887340779d5e70ef68012f3823568ee59eaa30",
         "type": "github"
       },
       "original": {