fix(cors): expose all headers set by application in `access-control-e…

…xpose-headers` header value

crates/router/src/cors.rs

@@ -8,6 +8,7 @@ pub fn cors(config: settings::CorsSettings) -> actix_cors::Cors {
     let mut cors = actix_cors::Cors::default()
         .allowed_methods(allowed_methods)
         .allow_any_header()
+        .expose_any_header()
         .max_age(config.max_age);
 
     if config.wildcard_origin {