bug(snippet-bot): snippet-bot not detecting correct product prefix

[parthea]

Snippet bot is reporting issues with regions tag in PR googleapis/python-datastream#66 however the product prefix datastream exists.

Here is an example of the output

You are about to add 92 region tags.
samples/generated_samples/datastream_generated_datastream_v1_datastream_create_connection_profile_async.py:26, tag datastream_generated_datastream_v1_Datastream_CreateConnectionProfile_async

The tag datastream_generated_datastream_v1_Datastream_CreateConnectionProfile_async appears to have the correct product prefix datastream.

[parthea]

This is WAI. snippet-bot is flagging that the product is not yet public.