feat: Scoping rules and utilities for symbols, links and variables #2855

Job	Run time
Check for changes	6s
tests (Rust stable, all features)	2m 4s
Build benchmarks 🏋️	2m 1s
check	1m 17s
tests (Rust stable, no features)	1m 16s
tests (Rust nightly, coverage)	3m 18s
tests (Rust 1.75)	2m 22s
tests (Rust beta)	2m 36s
tests hugr-llvm	0s
Check standard extensions	3s
Required checks 🦀	1s
	15m 4s

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