feat(hugr-passes)!: Rewrite constant_fold_pass using dataflow framework #2865

Job	Run time
Check for changes	5s
Build benchmarks 🏋️	2m 44s
check	1m 29s
tests (Rust stable, no features)	1m 46s
tests (Rust nightly, coverage)	4m 21s
tests (Rust 1.75)	3m 22s
tests (Rust stable, all features)	2m 40s
tests (Rust beta)	3m 0s
tests hugr-llvm	0s
Check standard extensions	4s
Required checks 🦀	1s
	19m 32s

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