Swap `lix` input to actually be a flake and update it.

Plus adds other inputs that are being used anyway, so they're not needlessly replicated.

flake.lock

@@ -48,7 +48,6 @@
       }
     },
     "flake-compat": {
-      "flake": false,
       "locked": {
         "lastModified": 1696426674,
         "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
@@ -119,13 +118,23 @@
       }
     },
     "lix": {
-      "flake": false,
+      "inputs": {
+        "flake-compat": [
+          "flake-compat"
+        ],
+        "nix2container": "nix2container",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-regression": "nixpkgs-regression",
+        "pre-commit-hooks": "pre-commit-hooks"
+      },
       "locked": {
-        "lastModified": 1724000209,
+        "lastModified": 1724021051,
-        "narHash": "sha256-cj/VN1t7pQyjtan6QvX+pJ0MG5uSiolKFJq7s0UP0qA=",
+        "narHash": "sha256-80mohEXTDXE5aWwMw3a9U9YzQkBdhJAzVYUQBZ3SNvY=",
         "ref": "refs/heads/main",
-        "rev": "007211e7a27a512cb343060e8b363c9f66ef67af",
+        "rev": "5cbca8553581a358f9b5067bc8def24b1c7b37cc",
-        "revCount": 16144,
+        "revCount": 16146,
         "type": "git",
         "url": "https://git@git.lix.systems/lix-project/lix"
       },
@@ -196,9 +205,27 @@
         "type": "github"
       }
     },
+    "nix2container": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1720642556,
+        "narHash": "sha256-qsnqk13UmREKmRT7c8hEnz26X3GFFyIQrqx4EaRc1Is=",
+        "owner": "nlewo",
+        "repo": "nix2container",
+        "rev": "3853e5caf9ad24103b13aa6e0e8bcebb47649fe4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nlewo",
+        "repo": "nix2container",
+        "type": "github"
+      }
+    },
     "nixos-wsl": {
       "inputs": {
-        "flake-compat": "flake-compat",
+        "flake-compat": [
+          "flake-compat"
+        ],
         "flake-utils": [
           "flake-utils"
         ],
@@ -237,10 +264,43 @@
         "type": "github"
       }
     },
+    "nixpkgs-regression": {
+      "locked": {
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1721042469,
+        "narHash": "sha256-6FPUl7HVtvRHCCBQne7Ylp4p+dpP3P/OYuzjztZ4s70=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "f451c19376071a90d8c58ab1a953c6e9840527fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "aaru": "aaru",
         "agenix": "agenix",
+        "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "lix": "lix",