Use NixNG for Attic container

flake.lock

@@ -471,15 +471,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1727033240,
-        "narHash": "sha256-LEug48WOL+mmFYtKM57e/oudgjBk2Km5zIP3p27hF8I=",
-        "owner": "nix-community",
+        "lastModified": 1727766416,
+        "narHash": "sha256-gxizo/V/Ut60MRtCB+jJJoDxNfsfApxH0mIkNFI2cVY=",
+        "owner": "pizzapim",
         "repo": "NixNG",
-        "rev": "c7e38ecb6a655d39d9a9d275ec330e3e3f73fda8",
+        "rev": "bf6eb29623cff5e70d79d233b7bd18643c555ab3",
         "type": "github"
       },
       "original": {
-        "owner": "nix-community",
+        "owner": "pizzapim",
+        "ref": "attic",
         "repo": "NixNG",
         "type": "github"
       }
@@ -640,11 +641,11 @@
         "sops-nix": "sops-nix"
       },
       "locked": {
-        "lastModified": 1727038016,
-        "narHash": "sha256-sL2CL8xgubM0hUz7npS+nei0rxWDBgqMZr7q9lpH9so=",
+        "lastModified": 1727210707,
+        "narHash": "sha256-3pw0xNT2QGCI62X18UZYZln/TdaTVxjU+BTRyE3o5vQ=",
         "ref": "refs/heads/master",
-        "rev": "3d456b1a4383d2f40cceb691182c4364333fe934",
-        "revCount": 475,
+        "rev": "fcc2848523f2350167e6894620d63740526c186f",
+        "revCount": 476,
         "type": "git",
         "url": "https://git.kun.is/home/nixos-servers"
       },