Add debug assertions to ComputeFn results #5853

Job	Run time
Python (lint)	2m 29s
Rust (docs)	1m 18s
Rust build (all-features)	5m 52s
Rust build (default features)	3m 29s
Python (test)	1m 41s
Rust build (with tokio dispatcher)	6m 4s
Rust build (with compio dispatcher)	6m 6s
bench test	7m 16s
Check generated proto/fbs files are up to date	1m 21s
Rust build (with tokio+compio dispatcher)	6m 5s
Rust build (wasm32 with default features)	2m 40s
License Check and Audit Check	3m 49s
miri	2m 31s
Rust (tests)	1m 48s
	52m 29s

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