ci: Reduce saucelabs profile data timeout to 10m (#2291)

The high end tests quite often time out in Saucelabs. The tests usually
pass in 10m or less. Reduce the timeout to speed up
retry.

.sauce/profile-data-generator-config.yml

@@ -5,7 +5,7 @@ sauce:
   concurrency: 2
 
 defaults:
-  timeout: 20m
+  timeout: 10m
 
 xcuitest:
   app: ./DerivedData/Build/Products/Debug-iphoneos/TrendingMovies.app