Typo in Google Cloud Storage sensor: airflow/providers/google/cloud/sensors/gcs/GCSObjectsWithPrefixExistenceSensor

The word _With_ is spelled incorrectly. It should be: GCSObjects**With**PrefixExistenceSensor

**Apache Airflow version**: 2.0.0
**Environment**:
- **Cloud provider or hardware configuration**: Google Cloud
- **OS** (e.g. from /etc/os-release): Mac OS BigSur






tests/deprecated_classes.py
),
    (
        "airflow.providers.apache.cassandra.sensors.record.CassandraRecordSensor",
        "airflow.contrib.sensors.cassandra_record_sensor.CassandraRecordSensor",
    ),
    (
        "airflow.providers.apache.cassandra.sensors.table.CassandraTableSensor",
        "airflow.contrib.sensors.cassandra_table_sensor.CassandraTableSensor",
    ),
    (
        'airflow.providers.datadog.sensors.datadog.DatadogSensor',
        'airflow.contrib.sensors.datadog_sensor.DatadogSensor',
    ),
    (
        "airflow.providers.google.cloud.sensors.bigtable.BigtableTableReplicationCompletedSensor",
        "airflow.contrib.operators.gcp_bigtable_operator.BigtableTableWaitForReplicationSensor",
    ),
    (
        "airflow.providers.google.cloud.sensors.cloud_storage_transfer_service."
        "CloudDataTransferServiceJobStatusSensor",
        "airflow.contrib.sensors.gcp_transfer_sensor.GCPTransferServiceWaitForJobStatusSensor",
    ),
    (
        "airflow.providers.google.cloud.sensors.pubsub.PubSubPullSensor",
        "airflow.contrib.sensors.pubsub_sensor.PubSubPullSensor",
    ),
    (
        "airflow.providers.google.cloud.sensors.bigquery.BigQueryTableExistenceSensor",
        "airflow.contrib.sensors.bigquery_sensor.BigQueryTableSensor",
    ),