chore(main): release 1.78.0

[ldetmer]

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1.78.0

1.78.0 (2026-02-09)

⚠ BREAKING CHANGES

• The SpannerIndexingConfig message and the spanner_indexing_config field within the Dataset message have been removed. Client code referencing these will need to stop referencing these in case of an error docs: [document-ai] Updated comments for various fields and messages
• [visionai] An existing default host visionai.googleapis.com is changed to warehouse-visionai.googleapis.com in service Warehouse

Features

• [aiplatform] Add fps to message VideoMetadata (91994ba)
• [aiplatform] add Vertex Multimodal Datasets as input and output types in google.cloud.aiplatform.v1beta1.BatchPredictionJob (91994ba)
• [aiplatform] add Vertex Multimodal Datasets as input and output types in google.cloud.aiplatform.v1beta1.BatchPredictionJob (91994ba)
• [aiplatform] Force-delete for RagCorpora, ignoring any external errors and ensuring deletion of the RagCorpus (91994ba)
• [artifact-registry] add DIRSUM_SHA256 hash type (91994ba)
• [chat] Addition of QuoteType enum, QuotedMessageSnapshot & ForwardMetadata in the QuotedMessageMetadata proto (91994ba)
• [cloudquotas] Hierarchical Quota Adjuster (91994ba)
• [confidentialcomputing] add Nvidia Attestation proto message with its relevant fields and ConfidentialGke options (91994ba)
• [dialogflow] added a new field StreamingAnalyzeContentRequest.output_multiple_utterances (91994ba)
• [document-ai] A new field revisions is added to message .google.cloud.documentai.v1beta3.Evaluation (91994ba)
• [geminidataanalytics] add ClarificationMessage, thought-signature, formatted-data (91994ba)
• [gkehub] Add GKE Hub teams scope and RBAC GAPIC (91994ba)
• [vectorsearch] add SearchHint to SemanticSearch requests (91994ba)

Bug Fixes

• [visionai] An existing default host visionai.googleapis.com is changed to warehouse-visionai.googleapis.com in service Warehouse (91994ba)
• deps: update the Java code generator (gapic-generator-java) to 2.66.1 (91994ba)
• update dependency com.google.cloud:sdk-platform-java-config to v3.56.1 (#11916) (6127aa6)

Documentation

• [aiplatform] update documentation of .google.cloud.aiplatform.v1.DatasetService, .google.cloud.aiplatform.v1.Dataset, and .google.cloud.aiplatform.v1.DatasetVersion (91994ba)
• [aiplatform] update documentation of .google.cloud.aiplatform.v1beta1.Dataset and .google.cloud.aiplatform.v1beta1.DatasetVersion (91994ba)
• [datamanager] describe additional URI format for kek_uri in GcpEncryptionInfo and AwsKmsEncryptionInfo (91994ba)

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