Rename `SqlQuery` to `SqlStatement` #4530

Job	Run time
MetricFlow Tests (DuckDB) (3.9)	2m 23s
MetricFlow Tests (DuckDB) (3.12)	1m 54s
MetricFlow Packages Tests (3.9)	31s
MetricFlow Tests (PostgreSQL)	1m 27s
MetricFlow Packages Tests (3.12)	32s
MetricFlow Unit Tests	1s
	6m 48s

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