fix add header

default.conf.template

@@ -19,7 +19,7 @@ server {
         }
 
         proxy_pass https://aigroup2026-be.hf.space/v1/;
-        proxy_set_header Host tokyotechlab-be.hf.space;
+        proxy_set_header Host aigroup2026-be.hf.space;
         proxy_set_header Authorization "Bearer $HF_API_TOKEN";
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;