flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/178b88e3aee997935c6a81a72f2726ae86dffa0d' (2023-05-24)
  → 'github:NixOS/nixpkgs/6b554aae1cf48cb39d4a61a51f826859027a93e2' (2023-05-28)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/4ccdfb573f323a108a44c13bb7730e42baf962a9' (2023-05-21)
  → 'github:Mic92/sops-nix/3e016341d4dca6ce7c62316f90e66341841a30f9' (2023-05-28)

flake.lock

@@ -66,11 +66,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1684944540,
-        "narHash": "sha256-Ws79+cNBR/2tqEf3Md+Ok03avJOXAykpRRvkaerkTCQ=",
+        "lastModified": 1685317056,
+        "narHash": "sha256-XyG7iSSrgqsnT90GZOvWWbJheagWvSon4LOwjGGFq6c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "178b88e3aee997935c6a81a72f2726ae86dffa0d",
+        "rev": "6b554aae1cf48cb39d4a61a51f826859027a93e2",
         "type": "github"
       },
       "original": {
@@ -172,11 +172,11 @@
         "nixpkgs-stable": []
       },
       "locked": {
-        "lastModified": 1684637723,
-        "narHash": "sha256-0vAxL7MVMhGbTkAyvzLvleELHjVsaS43p+PR1h9gzNQ=",
+        "lastModified": 1685242617,
+        "narHash": "sha256-UBPXGfGwGMJm2Wj9kDj8+TMMK2PTouSM/TpiXYtaqtQ=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "4ccdfb573f323a108a44c13bb7730e42baf962a9",
+        "rev": "3e016341d4dca6ce7c62316f90e66341841a30f9",
         "type": "github"
       },
       "original": {