Re: [whatwg/dom] Add AbortSignal.any() (PR #1152)

Part of the reason for the current ordering is that dependent signals are always linked to root source signals, which flattens the dependency tree so it has a depth of at most 1. This cuts out intermediate nodes so they aren't being kept alive just to propagate abort, e.g. if you have a long chain of 'signal following signal following signal, etc.' I think even with weak event listeners, we'd need to keep intermediate signals alive to get the order you want?

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