BE-522: HashQL: Expand stdlib type system with temporal types #8674

Acknowledged Regression: -18.1%

❌ 2 (👁 2) regressed benchmarks
✅ 78 untouched benchmarks

	Benchmark	`BASE`	`HEAD`	Efficiency
👁	`unique[100]`	20.1 µs	24.6 µs	-18.1%
👁	`pattern_match_constant`	180 ns	209.2 ns	-13.94%

_{Comparing bm/be-522-hashql-expand-stdlib-type-definitions (dd10bcf) with bm/be-306-hashql-postgres-translation (6e468bc)}