flake: bump inputs

And remove the now-redundant overlay to fix a flaky `tandoor-recipes`
test.

flake.lock

@@ -136,11 +136,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1706955260,
-        "narHash": "sha256-W3y0j77IDVbmbajudHoUr46RpswujUCl+D5Vru53UsI=",
+        "lastModified": 1707175763,
+        "narHash": "sha256-0MKHC6tQ4KEuM5rui6DjKZ/VNiSANB4E+DJ/+wPS1PU=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "880d9bc2110f7cae59698f715b8ca42cdc53670c",
+        "rev": "f99eace7c167b8a6a0871849493b1c613d0f1b80",
         "type": "github"
       },
       "original": {
@@ -152,11 +152,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1706732774,
-        "narHash": "sha256-hqJlyJk4MRpcItGYMF+3uHe8HvxNETWvlGtLuVpqLU0=",
+        "lastModified": 1707092692,
+        "narHash": "sha256-ZbHsm+mGk/izkWtT4xwwqz38fdlwu7nUUKXTOmm4SyE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b8b232ae7b8b144397fdb12d20f592e5e7c1a64d",
+        "rev": "faf912b086576fd1a15fca610166c98d47bc667e",
         "type": "github"
       },
       "original": {
@@ -168,11 +168,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1706978646,
-        "narHash": "sha256-XEFktO8Ba41zKawf1Uf6FKIR1x0ShuoSddYXU4PQbx8=",
+        "lastModified": 1707234300,
+        "narHash": "sha256-D+LdA8g0Tq+KE9EmJMmn8EGRO5jZ2nLe/W0Fr5EIsdg=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "66d6b7b355f3b10ea4140f8b85b2e274c24d442a",
+        "rev": "59fceae769455455ef44c1dfb63bbae1ecddc41d",
         "type": "github"
       },
       "original": {