feat(aiplatform): add code execution tool API (#11060)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 691287054

Source-Link: https://togithub.com/googleapis/googleapis/commit/805ed1289b41f27c5cea4416546bb1d10e1c428f

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/f03c21f5b4de4a50d93a0cf131b6e50b495b974b
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BEGIN_NESTED_COMMIT
feat(aiplatform): add StopNotebookRuntime method
PiperOrigin-RevId: 691235183

Source-Link: https://togithub.com/googleapis/googleapis/commit/41605271bd86ee6991609ca4f225a6f1ed0fc390

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/c63dc6d09c9ccab6b68820fb66adee3c3200bc9e
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(discoveryengine): Add GroundedGenerationService API
feat(discoveryengine): Add AdvancedCompleteQuery API
feat(discoveryengine): Add lite search API to allow public website search with API key
feat(discoveryengine): Add Sitemap APIs to preview channel
feat(discoveryengine): Support search personalization to preview channel
feat(discoveryengine): Support natural language understanding search
feat(discoveryengine): Add BillingEstimation in data store
feat(discoveryengine): Support Google Workspace search
feat(discoveryengine): Support advanced boost search
feat(discoveryengine): Add one_box_page_size on search
feat(discoveryengine): support query regex in control match rules
docs(discoveryengine): deprecate extractive_answers in answer generation
docs(discoveryengine): deprecate asynchronous mode in answer generation
docs(discoveryengine): keep the API doc up-to-date with recent changes

PiperOrigin-RevId: 691212731

Source-Link: https://togithub.com/googleapis/googleapis/commit/e6b6ff9b7b3659641488e772355cdc78aac488ff

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/67144fd43c5a3e164410b3617e5752f2e066ec25
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END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat(aiplatform): add UpdateEndpointLongRunning API in v1beta1 version
PiperOrigin-RevId: 691203761

Source-Link: https://togithub.com/googleapis/googleapis/commit/67878b0b99bbda131dae5e9622b58753bd65ba7d

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/47e8a2dea0c896c08a11fdf8294cda624943c362
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END_NESTED_COMMIT

aiplatform/apiv1/gapic_metadata.json

@@ -2211,6 +2211,11 @@
                 "StartNotebookRuntime"
               ]
             },
+            "StopNotebookRuntime": {
+              "methods": [
+                "StopNotebookRuntime"
+              ]
+            },
             "TestIamPermissions": {
               "methods": [
                 "TestIamPermissions"