chore(all): auto-regenerate gapics

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#789

Changes:

chore(speech): remove unused imports
  PiperOrigin-RevId: 439629269
  Source-Link: googleapis/googleapis@8d458c8

docs(deploy):Cloud Deploy API Platform Logging documentation
  feat: Add support for Anthos worker pool.
  PiperOrigin-RevId: 439623824
  Source-Link: googleapis/googleapis@43184df

chore(cloudtasks): remove unused imports
  PiperOrigin-RevId: 439598143
  Source-Link: googleapis/googleapis@63db84f

feat(storagetransfer): add support for Agent Pools feat: add support for transfers between file systems feat: add support for metadata preservation feat: add support for transferring a specific list of objects (manifest) feat: add support for Cloud Logging
  PiperOrigin-RevId: 439424192
  Source-Link: googleapis/googleapis@bf69826

feat(secretmanager): Added support for accessing secret versions by alias Clients can now associate custom strings with specified secret versions for later access.
  PiperOrigin-RevId: 439320490
  Source-Link: googleapis/googleapis@bbe5618

storagetransfer/apiv1/gapic_metadata.json

@@ -10,11 +10,26 @@
         "grpc": {
           "libraryClient": "Client",
           "rpcs": {
+            "CreateAgentPool": {
+              "methods": [
+                "CreateAgentPool"
+              ]
+            },
             "CreateTransferJob": {
               "methods": [
                 "CreateTransferJob"
               ]
             },
+            "DeleteAgentPool": {
+              "methods": [
+                "DeleteAgentPool"
+              ]
+            },
+            "GetAgentPool": {
+              "methods": [
+                "GetAgentPool"
+              ]
+            },
             "GetGoogleServiceAccount": {
               "methods": [
                 "GetGoogleServiceAccount"
@@ -25,6 +40,11 @@
                 "GetTransferJob"
               ]
             },
+            "ListAgentPools": {
+              "methods": [
+                "ListAgentPools"
+              ]
+            },
             "ListTransferJobs": {
               "methods": [
                 "ListTransferJobs"
@@ -45,6 +65,11 @@
                 "RunTransferJob"
               ]
             },
+            "UpdateAgentPool": {
+              "methods": [
+                "UpdateAgentPool"
+              ]
+            },
             "UpdateTransferJob": {
               "methods": [
                 "UpdateTransferJob"