flake.lock: Update

Flake lock file updates:

• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/b76b563' (2026-05-29)
  → 'github:NixOS/nixos-hardware/4ed851c' (2026-06-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e8e446a' (2026-05-29)
  → 'github:NixOS/nixpkgs/9b69646' (2026-06-06)

flake.lock

@@ -212,11 +212,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1780065812,
-        "narHash": "sha256-SCSLUKBmwlSLGQ8Xbr8PjRFtiHNk0l9ktqkcmqdBkfE=",
+        "lastModified": 1780310866,
+        "narHash": "sha256-fPBRVf6A5xlACYcOI59shGrjURuvwu0lRsDoSCEXt/I=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "b76b5639c0593e0aeb0b5879ad62d4b30596c144",
+        "rev": "4ed851c979641e28597a05086332d75cdc9e395f",
         "type": "github"
       },
       "original": {
@@ -301,11 +301,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1780051219,
-        "narHash": "sha256-WnxzG4x47uCgjz+uD+vOzbF+Qid+hKyYdJWbduA9w7g=",
+        "lastModified": 1780734595,
+        "narHash": "sha256-DmTfP92QFYRLOGXlMIE54MAgxSJjDWocl3gRNOu72Os=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e8e446a361172fe838243958325845d0b845c5e5",
+        "rev": "9b696460ac78b5ccfc17c854d8c976f20456e943",
         "type": "github"
       },
       "original": {