fix(secrets): set templates

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>

nix/modules/openbao-secrets.nix

@@ -148,7 +148,7 @@ in
         }));
     };
 
-    services.vault.agents = lib.mkOption {
+    services.openbao.agents = lib.mkOption {
       type = lib.types.attrsOf (lib.types.submodule ({ config, ... }: {
         config.settings.template = vaultTemplates config;
       }));