chore(all): auto-regenerate gapics (#6245)

This is an auto-generated regeneration of the gapic clients by
cloud.google.com/go/internal/gapicgen. Once the corresponding genproto PR is
submitted, genbot will update this PR with a newer dependency to the newer
version of genproto and assign reviewers to this PR.

If you have been assigned to review this PR, please:

- Ensure that the version of genproto in go.mod has been updated.
- Ensure that CI is passing. If it's failing, it requires your manual attention.
- Approve and submit this PR if you believe it's ready to ship.

Corresponding genproto PR: googleapis/go-genproto#833

Changes:

feat(analytics/admin): Enable REST transport for most of Java and Go clients
  PiperOrigin-RevId: 456641589
  Source-Link: googleapis/googleapis@8a251f5

feat(aiplatform): add BatchImportModelEvaluationSlices API in aiplatform v1 model_service.proto
  PiperOrigin-RevId: 456604066
  Source-Link: googleapis/googleapis@d57f437

feat(aiplatform): add model_version_id to BatchPredictionJob in aiplatform v1 batch_prediction_job.proto
  feat: add model_version_id to DeployedModel in aiplatform v1 endpoint.proto

  feat: add model_version_id to PredictResponse in aiplatform v1 prediction_service.proto
  PiperOrigin-RevId: 456571762
  Source-Link: googleapis/googleapis@19bd392

feat(aiplatform): add BatchImportModelEvaluationSlices API in aiplatform v1beta1 model_service.proto
  PiperOrigin-RevId: 456559576
  Source-Link: googleapis/googleapis@f5cd509

aiplatform/apiv1/gapic_metadata.json

@@ -1106,6 +1106,11 @@
         "grpc": {
           "libraryClient": "ModelClient",
           "rpcs": {
+            "BatchImportModelEvaluationSlices": {
+              "methods": [
+                "BatchImportModelEvaluationSlices"
+              ]
+            },
             "CancelOperation": {
               "methods": [
                 "CancelOperation"

aiplatform/apiv1beta1/gapic_metadata.json

@@ -1106,6 +1106,11 @@
         "grpc": {
           "libraryClient": "ModelClient",
           "rpcs": {
+            "BatchImportModelEvaluationSlices": {
+              "methods": [
+                "BatchImportModelEvaluationSlices"
+              ]
+            },
             "CancelOperation": {
               "methods": [
                 "CancelOperation"