OpenSearch 2.11 support — VPC egress routing, GPU acceleration

AI Impact Summary

Amazon OpenSearch Service has reached version 2.11, bringing all features from 2.10 and 2.11. This release includes significant enhancements like VPC egress routing, GPU acceleration for vector indexes, auto-optimize, and support for Graviton4 instances. Furthermore, new features such as semantic highlighting via CloudFormation templates and cross-account pipeline sharing expand the capabilities of OpenSearch Ingestion, alongside FIPS 140-2 support and SAML attribute-based access control.