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.google.cloud.operators.dataproc.DataprocSubmitPySparkJobOperator",
        "airflow.contrib.operators.dataproc_operator.DataProcPySparkOperator",
    ),
    (
        "airflow.providers.google.cloud.operators.dataproc.DataprocSubmitSparkJobOperator",
        "airflow.contrib.operators.dataproc_operator.DataProcSparkOperator",
    ),
    (
        "airflow.providers.google.cloud.operators.dataproc.DataprocSubmitSparkSqlJobOperator",
        "airflow.contrib.operators.dataproc_operator.DataProcSparkSqlOperator",
    ),
    (
        "airflow.providers.google.cloud."
        "operators.dataproc.DataprocInstantiateInlineWorkflowTemplateOperator",
        "airflow.contrib.operators.dataproc_operator.DataprocWorkflowTemplateInstantiateInlineOperator",
    ),
    (
        "airflow.providers.google.cloud.operators.dataproc.DataprocInstantiateWorkflowTemplateOperator",
        "airflow.contrib.operators.dataproc_operator.DataprocWorkflowTemplateInstantiateOperator",
    ),
    (
        "airflow.providers.google.cloud.operators.bigquery.BigQueryCreateEmptyDatasetOperator",
        "airflow.contrib.operators.bigquery_operator.BigQueryCreateEmptyDatasetOperator",
    ),
    (
        "airflow.providers.google.cloud.operators.bigquery.BigQueryCreateEmptyTableOperator",
        "airflow.contrib.operators.bigquery_operator.BigQueryCreateEmptyTableOperator",
    ),