feat: Add `SiblingSubgraph::from_node` #2523

Job	Run time
Check for changes	4s
Build benchmarks 🏋️	1m 53s
check	1m 9s
tests (Rust nightly, coverage)	2m 57s
tests (Rust 1.75)	2m 2s
tests (Rust stable, all features)	1m 37s
tests (Rust beta)	1m 53s
tests (Rust stable, no features)	1m 26s
rs-semver-checks / Rust semver-checks 🦀	3m 7s
Check standard extensions	3s
Required checks 🦀	1s
	16m 12s

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