feat(hugr-passes)!: Rewrite constant_fold_pass using dataflow framework #2809

Job	Run time
Check for changes	29s
tests (Rust stable, all features)	2m 31s
Build benchmarks 🏋️	2m 5s
tests (Rust nightly, coverage)	4m 20s
check	28s
tests (Rust 1.75)	2m 9s
tests (Rust stable, no features)	1m 9s
tests (Rust beta)	2m 10s
tests hugr-llvm	0s
Check standard extensions	8s
Required checks 🦀	1s
	15m 30s

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