Add Tableau adapter with fixture coverage #606

Job	Run time
bigquery-integration	28s
snowflake-integration	16s
clickhouse-integration	43s
postgres-integration	34s
ADBC integration (bigquery)	48s
ADBC integration (snowflake)	48s
ADBC integration (clickhouse)	50s
ADBC integration (postgres)	47s
	5m 14s

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