[163] Integrate with `rb-sys` #76

Job	Run time
ci (ubuntu-latest, 2.7, stable)	3m 24s
ci (ubuntu-latest, 3.0, stable)	2m 16s
ci (ubuntu-latest, 3.1, stable)	2m 13s
ci (ubuntu-latest, 3.2, stable)	2m 15s
ci (ubuntu-latest, head, stable)	2m 23s
ci (macos-latest, 2.7, stable)	5m 39s
ci (macos-latest, 3.0, stable)	3m 26s
ci (macos-latest, 3.1, stable)	3m 18s
ci (macos-latest, 3.2, stable)	4m 12s
ci (macos-latest, head, stable)	3m 55s
ci (windows-latest, 2.7, stable)	8m 21s
ci (windows-latest, 3.0, stable)	7m 47s
ci (windows-latest, 3.1, stable)	6m 56s
ci (windows-latest, 3.2, stable)	10m 58s
ci (windows-latest, head, stable)	6m 27s
	1h 13m 30s

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