add warning about nixpkgs version for jellyseerr

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1730831018,
-        "narHash": "sha256-2S0HwIFRxYp+afuoFORcZA9TjryAf512GmE0MTfEOPU=",
+        "lastModified": 1736420959,
+        "narHash": "sha256-dMGNa5UwdtowEqQac+Dr0d2tFO/60ckVgdhZU9q2E2o=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "8c4dc69b9732f6bbe826b5fbb32184987520ff26",
+        "rev": "32af3611f6f05655ca166a0b1f47b57c762b5192",
         "type": "github"
       },
       "original": {
@@ -24,11 +24,11 @@
     },
     "vpnconfinement": {
       "locked": {
-        "lastModified": 1729977304,
-        "narHash": "sha256-T/ABQpSbPJxO7TGl1P2fBd87xsQmnVflIFgHQTxwvBs=",
+        "lastModified": 1731209328,
+        "narHash": "sha256-b3jggBHZh20jUfBxoaIvew23czsw82zBc0aKxtkF3g8=",
         "owner": "Maroka-chan",
         "repo": "VPN-Confinement",
-        "rev": "3b11ba59f1c852493203b86c8acd715259a6c3cd",
+        "rev": "74e6fd47804b5ca69187200efbb14cf1ecb9ea07",
         "type": "github"
       },
       "original": {

nixarr/jellyseerr/default.nix

@@ -31,6 +31,11 @@ in {
       description = ''
         The location of the state directory for the Jellyseerr service.
 
+        > **Warning** this option does not work on the latest stable nixpkgs.
+        > If you are using an old version of nixpkgs, make sure to set the
+        > `jellyseerr.package` option to use the latest version from nixkpgs-unstable.
+
+
         > **Warning:** Setting this to any path, where the subpath is not
         > owned by root, will fail! For example:
         >