Update bindings with openapi generator.

test/streams_page_test.dart

@@ -0,0 +1,31 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.7
+
+// ignore_for_file: unused_import
+
+import 'package:piped_api/model/streams_page.dart';
+import 'package:test/test.dart';
+
+// tests for StreamsPage
+void main() {
+  final instance = StreamsPageBuilder();
+  // TODO add properties to the builder and call build()
+
+  group(StreamsPage, () {
+    // BuiltList<StreamItem> relatedStreams
+    test('to test the property `relatedStreams`', () async {
+      // TODO
+    });
+
+    // The parameter used to get the next page of this page.
+    // String nextpage
+    test('to test the property `nextpage`', () async {
+      // TODO
+    });
+
+
+  });
+
+}