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.hive.transfers.hive_to_samba.HiveToSambaOperator',
        'airflow.operators.hive_to_samba_operator.HiveToSambaOperator',
    ),
    (
        'airflow.providers.apache.hive.transfers.mssql_to_hive.MsSqlToHiveOperator',
        'airflow.operators.mssql_to_hive.MsSqlToHiveTransfer',
    ),
    (
        'airflow.providers.microsoft.azure.transfers.file_to_wasb.FileToWasbOperator',
        'airflow.contrib.operators.file_to_wasb.FileToWasbOperator',
    ),
    (
        'airflow.providers.google.suite.transfers.gcs_to_gdrive.GCSToGoogleDriveOperator',
        'airflow.contrib.operators.gcs_to_gdrive_operator.GCSToGoogleDriveOperator',
    ),
    (
        'airflow.providers.microsoft.azure.transfers.oracle_to_azure_data_lake'
        '.OracleToAzureDataLakeOperator',
        'airflow.contrib.operators.oracle_to_azure_data_lake_transfer.OracleToAzureDataLakeOperator',
    ),
    (
        'airflow.providers.oracle.transfers.oracle_to_oracle.OracleToOracleOperator',
        'airflow.contrib.operators.oracle_to_oracle_transfer.OracleToOracleTransfer',
    ),
    (
        'airflow.providers.google.cloud.transfers.s3_to_gcs.S3ToGCSOperator',
        'airflow.contrib.operators.s3_to_gcs_operator.S3ToGCSOperator',
    ),
    (