Add the Block Bindings API #1994

Job	Run time
Core running from src / Core running from src / Linux	1m 54s
Core running from build / Core running from build / Linux	2m 9s
Core running from build / Core running from build / Windows	3m 59s
Core running from src / Core running from src / Windows	3m 33s
Core running from build / Core running from build / MacOS	4m 45s
Core running from src / Core running from src / MacOS	5m 40s
Gutenberg running from build / Gutenberg running from build / Linux	8m 27s
Gutenberg running from src / Gutenberg running from src / Linux	8m 35s
Gutenberg running from build / Gutenberg running from build / Windows	11m 37s
Gutenberg running from src / Gutenberg running from src / Windows	11m 7s
Gutenberg running from build / Gutenberg running from build / MacOS	14m 39s
Gutenberg running from src / Gutenberg running from src / MacOS	20m 49s
Leave WordPress Playground details	3s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 37m 17s

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