**Description**

Add the missing AWS Operators for the three (get/put/delete) AWS S3 bucket tagging APIs, including testing.

**Use case / motivation**

I am looking to add an Operator that will implement the existing API functionality to manage the tags on an AWS S3 bucket.

**Are you willing to submit a PR?**

Yes

**Related Issues**

None that I saw

airflow/providers/amazon/aws/hooks/s3.py
:param input_serialization: S3 Select input data serialization format
        :type input_serialization: dict
        :param output_serialization: S3 Select output data serialization format
        :type output_serialization: dict
        :return: retrieved subset of original data by S3 Select
        :rtype: str
        .. seealso::
            For more details about S3 Select parameters:
            http://boto3.readthedocs.io/en/latest/reference/services/s3.html#S3.Client.select_object_content
        """
        expression = expression or 'SELECT * FROM S3Object'
        expression_type = expression_type or 'SQL'
        if input_serialization is None:
            input_serialization = {'CSV': {}}
        if output_serialization is None:
            output_serialization = {'CSV': {}}
        response = self.get_conn().select_object_content(
            Bucket=bucket_name,
            Key=key,
            Expression=expression,
            ExpressionType=expression_type,
            InputSerialization=input_serialization,
            OutputSerialization=output_serialization,
        )
        return ''.join(
            event['Records']['Payload'].decode('utf-8') for event in response['Payload'] if 'Records' in event
        )
    @provide_bucket_name
    @unify_bucket_name_and_key
    def check_for_wildcard_key(