Update generated files with latest generator. (#46)

Fixes an issue with deserializing doubles, and ignores the
unnecessary_cast lint.
diff --git a/generated/googleapis/lib/gamesconfiguration/v1configuration.dart b/generated/googleapis/lib/gamesconfiguration/v1configuration.dart
index c10154d..8925678 100644
--- a/generated/googleapis/lib/gamesconfiguration/v1configuration.dart
+++ b/generated/googleapis/lib/gamesconfiguration/v1configuration.dart
@@ -1,5 +1,7 @@
 // This is a generated file (see the discoveryapis_generator project).
 
+// ignore_for_file: unnecessary_cast
+
 library googleapis.gamesConfiguration.v1configuration;
 
 import 'dart:core' as core;