fix(vaultwarden): Update image - fix webui not loading

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/544961dfcce86422ba200ed9a0b00dd4b1486ec5?narHash=sha256-EVAqOteLBFmd7pKkb0%2BFIUyzTF61VKi7YmvP1tw4nEw%3D' (2025-10-15)
  → 'github:NixOS/nixpkgs/80bdc1e5ce51f56b19791b52b2901187931f5353?narHash=sha256-QKyJ0QGWBn6r0invrMAK8dmJoBYWoOWy7lN%2BUHzW1jc%3D' (2026-03-04)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/ab8d56e85b8be14cff9d93735951e30c3e86a437?narHash=sha256-8mN3kqyqa2PKY0wwZ2UmMEYMcxvNTwLaOrrDsw6Qi4E%3D' (2025-10-13)
  → 'github:Mic92/sops-nix/1d9b98a29a45abe9c4d3174bd36de9f28755e3ff?narHash=sha256-hmIvE/slLKEFKNEJz27IZ8BKlAaZDcjIHmkZ7GCEjfw%3D' (2026-03-02)

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1760524057,
-        "narHash": "sha256-EVAqOteLBFmd7pKkb0+FIUyzTF61VKi7YmvP1tw4nEw=",
+        "lastModified": 1772624091,
+        "narHash": "sha256-QKyJ0QGWBn6r0invrMAK8dmJoBYWoOWy7lN+UHzW1jc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "544961dfcce86422ba200ed9a0b00dd4b1486ec5",
+        "rev": "80bdc1e5ce51f56b19791b52b2901187931f5353",
         "type": "github"
       },
       "original": {
@@ -48,11 +48,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1760393368,
-        "narHash": "sha256-8mN3kqyqa2PKY0wwZ2UmMEYMcxvNTwLaOrrDsw6Qi4E=",
+        "lastModified": 1772495394,
+        "narHash": "sha256-hmIvE/slLKEFKNEJz27IZ8BKlAaZDcjIHmkZ7GCEjfw=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "ab8d56e85b8be14cff9d93735951e30c3e86a437",
+        "rev": "1d9b98a29a45abe9c4d3174bd36de9f28755e3ff",
         "type": "github"
       },
       "original": {

modules/apps/vaultwarden/default.nix

@@ -13,12 +13,12 @@ in {
       description = "Vaultwarden WebUI port";
     };
     domain = lib.mkOption {
-      type = lib.types.string;
+      type = lib.types.str;
       example = "https://vault.depeuter.dev";
       description = "Domain to configure Vaultwarden on";
     };
     name = lib.mkOption {
-      type = lib.types.string;
+      type = lib.types.str;
       example = "Hugo's Vault";
       description = "Service name to use for invitations and mail";
     };
@@ -77,7 +77,7 @@ in {
         dataDir = "/data";
       in {
         hostname = "vaultwarden";
-        image = "vaultwarden/server:1.34.3-alpine";
+        image = "vaultwarden/server:1.35.4-alpine";
         autoStart = true;
         ports = [
           "${toString cfg.port}:80/tcp"