chore: Update discovery artifacts (#1430)

## Deleted keys were detected in the following pre-stable discovery artifacts:
run v1alpha1 https://github.com/googleapis/google-api-python-client/commit/db18e29c7f616f212121960fe8efd6fb7cdf9b22

## Discovery Artifact Change Summary:
feat(artifactregistry): update the api https://github.com/googleapis/google-api-python-client/commit/bc9a38bf901a63525fb4c7b1e94fd4ce5fb441c3
feat(chat): update the api https://github.com/googleapis/google-api-python-client/commit/eea3c5c177aaded427fd3b5bab80812bf748ef79
feat(cloudasset): update the api https://github.com/googleapis/google-api-python-client/commit/2e31dd0b58d3c656df5aaa042994c637d0100f97
feat(cloudbuild): update the api https://github.com/googleapis/google-api-python-client/commit/3a3b420d53aabe1fdf6ddca483a3d164f72d6268
feat(composer): update the api https://github.com/googleapis/google-api-python-client/commit/78c0d8decbe640c522c45850c97002e7da12f4e0
feat(container): update the api https://github.com/googleapis/google-api-python-client/commit/a54737fe763fd288e54505faace58040cbf8920b
feat(datafusion): update the api https://github.com/googleapis/google-api-python-client/commit/f6bf3c6b92fbf7072798b987998bf55ee9276389
feat(dataproc): update the api https://github.com/googleapis/google-api-python-client/commit/3fde9a3604e4811ce02f1062dcee9cef35b1ad51
feat(documentai): update the api https://github.com/googleapis/google-api-python-client/commit/79c556d389889fb0f48c8cc5ad5ab4a2caaab603
feat(groupssettings): update the api https://github.com/googleapis/google-api-python-client/commit/d537f96a20a699629fa85fbdeadb74ead3b32699
feat(logging): update the api https://github.com/googleapis/google-api-python-client/commit/d3548c505e4b1065365584493d15f21a19639626
feat(monitoring): update the api https://github.com/googleapis/google-api-python-client/commit/d24af68a9621fda9d7a576d3615178604a1482d2
feat(paymentsresellersubscription): update the api https://github.com/googleapis/google-api-python-client/commit/cff9039529278d95cee936826b5406867c638430
feat(redis): update the api https://github.com/googleapis/google-api-python-client/commit/46102d1726393f872420820e6200bb83cefd74b6
feat(run): update the api https://github.com/googleapis/google-api-python-client/commit/db18e29c7f616f212121960fe8efd6fb7cdf9b22
feat(slides): update the api https://github.com/googleapis/google-api-python-client/commit/68634cd565914e6003c851ec5f43fa2ff290afca
feat(spanner): update the api https://github.com/googleapis/google-api-python-client/commit/289512124fc77a69957b912f06e9c3d315aa0526
feat(storagetransfer): update the api https://github.com/googleapis/google-api-python-client/commit/24895f156f10c03f2da686be95d8c70ea34008a3
diff --git a/docs/dyn/dataflow_v1b3.projects.jobs.messages.html b/docs/dyn/dataflow_v1b3.projects.jobs.messages.html
index 43aa3c4..e3c1807 100644
--- a/docs/dyn/dataflow_v1b3.projects.jobs.messages.html
+++ b/docs/dyn/dataflow_v1b3.projects.jobs.messages.html
@@ -134,7 +134,7 @@
       "eventType": "A String", # The type of autoscaling event to report.
       "targetNumWorkers": "A String", # The target number of workers the worker pool wants to resize to use.
       "time": "A String", # The time this event was emitted to indicate a new target or current num_workers value.
-      "workerPool": "A String", # A short and friendly name for the worker pool this event refers to, populated from the value of PoolStageRelation::user_pool_name.
+      "workerPool": "A String", # A short and friendly name for the worker pool this event refers to.
     },
   ],
   "jobMessages": [ # Messages in ascending timestamp order.