feat(dialogflow): added speech endpointing setting (#8497)

- [ ] Regenerate this pull request now.

feat: added Knowledge Search API

PiperOrigin-RevId: 561112943

Source-Link: https://github.com/googleapis/googleapis/commit/6d69526f72f05cd22a9ef2e4ca7af6ae19d8e612

Source-Link: https://github.com/googleapis/googleapis-gen/commit/5d3ab0d9ffda232d36cb148ce192ea8771510402
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BEGIN_NESTED_COMMIT
feat(dialogflow/cx): added generative AI, safety/security and speech endpointing settings
PiperOrigin-RevId: 561081536

Source-Link: https://github.com/googleapis/googleapis/commit/a56c359fe3702ba74a7a8059440ecc5f589390cb

Source-Link: https://github.com/googleapis/googleapis-gen/commit/97d47121a2ebe06309b8b9afc9577929a59c87d9
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(aiplatform): add UpdatePersistentResourceRequest and add resource_pool_images and head_node_resource_pool_id to RaySpec
PiperOrigin-RevId: 561051086

Source-Link: https://github.com/googleapis/googleapis/commit/da9f0befe44a6422adfd8c7084f9ce14304a0be8

Source-Link: https://github.com/googleapis/googleapis-gen/commit/f7b6581fe39e73eda4071914ce85768f29a25111
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(discoveryengine): supported bring your own embedding feature
feat: added more options for search extractive content support
feat: added more skip reasons and details for search summarization
feat: added query expansion details in search response
feat: updated summarization interface for multi-turn search
feat: allow uri in user events
docs: keep the API doc up-to-date with recent changes

PiperOrigin-RevId: 561042278

Source-Link: https://github.com/googleapis/googleapis/commit/16136d3f0cb481c8fa627adac5812a04a49565ce

Source-Link: https://github.com/googleapis/googleapis-gen/commit/cb03b994fd53f39967b43eda900fd5ac907b373b
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
docs(kms): Minor formatting
PiperOrigin-RevId: 561027864

Source-Link: https://github.com/googleapis/googleapis/commit/033fd068d84c7b6b61784e85b8fefcb16c721dc7

Source-Link: https://github.com/googleapis/googleapis-gen/commit/c980f1f27a38df15a375de249ca5c490bc7636e0
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(dialogflow): added speech endpointing setting
feat: added Knowledge Search API

PiperOrigin-RevId: 560215389

Source-Link: https://github.com/googleapis/googleapis/commit/b1666e6f4fe427dd942e0afe9f5177acd954fadb

Source-Link: https://github.com/googleapis/googleapis-gen/commit/07e82b4d4917494d85039722f673d409c4c7305f
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END_NESTED_COMMIT

aiplatform/apiv1beta1/gapic_metadata.json

@@ -3107,6 +3107,11 @@
                 "TestIamPermissions"
               ]
             },
+            "UpdatePersistentResource": {
+              "methods": [
+                "UpdatePersistentResource"
+              ]
+            },
             "WaitOperation": {
               "methods": [
                 "WaitOperation"
@@ -3182,6 +3187,11 @@
                 "TestIamPermissions"
               ]
             },
+            "UpdatePersistentResource": {
+              "methods": [
+                "UpdatePersistentResource"
+              ]
+            },
             "WaitOperation": {
               "methods": [
                 "WaitOperation"