Add Tableau adapter with fixture coverage #618

Job	Run time
bigquery-integration	27s
clickhouse-integration	43s
ADBC integration (clickhouse)	47s
ADBC integration (snowflake)	45s
snowflake-integration	17s
ADBC integration (bigquery)	1m 3s
ADBC integration (postgres)	44s
postgres-integration	38s
	5m 24s

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