feat(hugr-passes)!: Rewrite constant_fold_pass using dataflow framework #2884

Job	Run time
Check for changes	3s
Build benchmarks 🏋️	2m 22s
tests (Rust stable, no features)	2m 2s
check	1m 39s
tests (Rust nightly, coverage)	3m 14s
tests (Rust stable, all features)	2m 18s
tests (Rust 1.75)	3m 10s
tests (Rust beta)	2m 41s
tests hugr-llvm	0s
Check standard extensions	8s
Required checks 🦀	1s
	17m 38s

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