chore: Update gapic-generator-python to v1.11.4 (#328)

* chore: Update gapic-generator-python to v1.11.4

PiperOrigin-RevId: 547897126

Source-Link: googleapis/googleapis@c09c75e

Source-Link: googleapis/googleapis-gen@45e0ec4
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNDVlMGVjNDM0MzUxN2NkMGFhNjZiNWNhNjQyMzJhMTgwMmMyZjk0NSJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

packages/google-cloud-bigquery-connection/google/cloud/bigquery_connection_v1/types/connection.py

@@ -652,6 +652,7 @@ class CloudResourceProperties(proto.Message):
             GCP.
 
             The account ID is in the form of:
+
             <service-1234>@gcp-sa-bigquery-cloudresource.iam.gserviceaccount.com
     """
 
@@ -717,6 +718,7 @@ class SparkProperties(proto.Message):
             service account is used to connect to the
             desired resources in Google Cloud.
             The account ID is in the form of:
+
             bqcx-<projectnumber>-<uniqueid>@gcp-sa-bigquery-consp.iam.gserviceaccount.com
         metastore_service_config (google.cloud.bigquery_connection_v1.types.MetastoreServiceConfig):
             Optional. Dataproc Metastore Service