Update xonsh as best I can.

flake.lock

@@ -28,17 +28,18 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1723461092,
-        "narHash": "sha256-4Ouw2IqRut2uZUU7UPjtmx4FcpMUFXd7XcJxFtKErOI=",
-        "ref": "refs/heads/master",
-        "rev": "4ff5384b96c24919c2b4ac3d7c588db2f22a528a",
-        "revCount": 56,
-        "type": "git",
-        "url": "file:///home/greg/src/nur-packages"
+        "lastModified": 1723845581,
+        "narHash": "sha256-NmM1bhFtWiWrfFfRDCCRW9u9wu/2uX2qVPog7q8+zyI=",
+        "owner": "drmikecrowe",
+        "repo": "nur-packages",
+        "rev": "272d92f5b685c6e29db40b12c94ec856565da1cc",
+        "type": "github"
       },
       "original": {
-        "type": "git",
-        "url": "file:///home/greg/src/nur-packages"
+        "owner": "drmikecrowe",
+        "ref": "overlay",
+        "repo": "nur-packages",
+        "type": "github"
       }
     },
     "darwin": {
@@ -304,11 +305,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1722462338,
-        "narHash": "sha256-ss0G8t8RJVDewA3MyqgAlV951cWRK6EtVhVKEZ7J5LU=",
+        "lastModified": 1723399884,
+        "narHash": "sha256-97wn0ihhGqfMb8WcUgzzkM/TuAxce2Gd20A8oiruju4=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "6e090576c4824b16e8759ebca3958c5b09659ee8",
+        "rev": "086f619dd991a4d355c07837448244029fc2d9ab",
         "type": "github"
       },
       "original": {
@@ -514,7 +515,6 @@
         "nixunstable": "nixunstable",
         "nixvim": "nixvim",
         "nurpkgs": "nurpkgs",
-        "test": "test",
         "wsl": "wsl"
       }
     },
@@ -578,22 +578,6 @@
         "type": "github"
       }
     },
-    "test": {
-      "locked": {
-        "lastModified": 1723214923,
-        "narHash": "sha256-6RSkrFPjOzqhT6y3xxDtNkbDyunzqXVSygB9UDrG/P4=",
-        "owner": "SamLukeYes",
-        "repo": "nixpkgs",
-        "rev": "633da8f7a0a05aca42f6cc23e53523e18ce10a4f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "SamLukeYes",
-        "ref": "xonsh",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": [