Merge branch 'dl-fn-streaming' of https://github.com/firebase/firebase-js-sdk into dl-fn-streaming

Author: taeold

common/api-review/functions.api.md

@@ -57,6 +57,11 @@ export interface HttpsCallableResult<ResponseData = unknown> {
     readonly data: ResponseData;
 }
 
+// @public
+export interface HttpsCallableStreamOptions {
+    signal?: AbortSignal;
+}
+
 // @public
 export interface HttpsCallableStreamResult<ResponseData = unknown, StreamData = unknown> {
     // (undocumented)