Merge pull request 'Close #261 — Add `DebugSignalIO`, `Node.prepareCh… #307

Job	Run time
DUB tests (ubuntu-latest, dmd, dub)	47s
DUB tests (ubuntu-latest, ldc, dub)	1m 5s
DUB tests (ubuntu-latest, ldc-1.28.1, dub)	32s
DUB tests (windows-latest, dmd, dub)	1m 45s
DUB tests (windows-latest, ldc, dub)	1m 46s
DUB tests (windows-latest, ldc-1.28.1, dub)	1m 10s
DUB tests (macOS-latest, ldc, dub)	1m 14s
DUB tests (macOS-latest, ldc-1.28.1, dub)	39s
DUB tests (macos-13, ldc, dub)	1m 53s
DUB tests (macos-13, ldc-1.28.1, dub)	1m 8s
	11m 59s

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