nixpkgs: 2023-09-02 -> 2023-09-04

```
• Updated input 'nixpkgs-unpatched':
    'github:nixos/nixpkgs/e56990880811a451abd32515698c712788be5720' (2023-09-02)
  → 'github:nixos/nixpkgs/3c15feef7770eb5500a4b8792623e2d6f598c9c1' (2023-09-04)
```

flake.lock

@@ -85,11 +85,11 @@
     },
     "nixpkgs-unpatched": {
       "locked": {
-        "lastModified": 1693663421,
-        "narHash": "sha256-ImMIlWE/idjcZAfxKK8sQA7A1Gi/O58u5/CJA+mxvl8=",
+        "lastModified": 1693844670,
+        "narHash": "sha256-t69F2nBB8DNQUWHD809oJZJVE+23XBrth4QZuVd6IE0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "e56990880811a451abd32515698c712788be5720",
+        "rev": "3c15feef7770eb5500a4b8792623e2d6f598c9c1",
         "type": "github"
       },
       "original": {

nixpatches/list.nix

@@ -27,12 +27,6 @@ in [
   #   hash = "sha256-e38Z7sO7xDQHzE9UOfbptc6vJuONE5eP9JFp2Nzx53E=";
   # })
 
-  (fetchpatch' {
-    title = "nixos/update-users-groups: fix cross compilation";
-    prUrl = "https://github.com/NixOS/nixpkgs/pull/251850";
-    hash = "sha256-uqx9sJ1zkwys9Ur35iXY3gZKVb52wlnBGkhBB5sc6WQ=";
-  })
-
   # (fetchpatch' {
   #   # TODO: check back in on this around 2023-10-01
   #   title = "libkiwix: 12.0.0 -> 12.1.0";
@@ -254,8 +248,8 @@ in [
   (fetchpatch' {
     title = "gthumb: make the webservices feature be optional";
     prUrl = "https://github.com/NixOS/nixpkgs/pull/240602";
-    saneCommit = "50767d5746fd80657e997b43fc5d82ba0c2c2447";
-    hash = "sha256-lXuLHdSPhWol9X5QX4cxnZqoVGUWEQTCZLmosvLX+WY=";
+    saneCommit = "e83130f2770c314b2a482e1792b010da66cdd5de";
+    hash = "sha256-aQjjm4uP3RaAkKykTNFmnrf2fyY2FcwKerRprlO2cnQ=";
   })
 
   (fetchpatch' {