feat(hugr-passes)!: Rewrite constant_fold_pass using dataflow framework #2811

Job	Run time
Check for changes	6s
Build benchmarks 🏋️	2m 28s
check	1m 12s
tests (Rust 1.75)	2m 53s
tests (Rust stable, all features)	2m 43s
tests (Rust beta)	2m 31s
tests (Rust stable, no features)	1m 29s
tests (Rust nightly, coverage)	4m 21s
tests hugr-llvm	0s
Check standard extensions	15s
Required checks 🦀	1s
	17m 59s

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