feat!: Add `monomorphization` pass #2778

Job	Run time
Check for changes	3s
Build benchmarks 🏋️	1m 55s
tests (Rust stable, no features)	1m 20s
check	59s
tests (Rust nightly, coverage)	2m 31s
tests (Rust stable, all features)	1m 31s
tests (Rust 1.75)	1m 58s
tests (Rust beta)	2m 0s
tests hugr-llvm	0s
Check standard extensions	0s
Required checks 🦀	1s
	12m 18s

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