Custom classifier model pretrained-classifier-v1.5-2025-08-05

## Feature Feature Custom classifier model `pretrained-classifier-v1.5-2025-08-05`is available as [General Availability (GA)](https://cloud.google.com/products/#product-launch-stages). For more information about available models, see the [custom classifier](https://cloud.google.com/document-ai/docs/custom-classifier) page.