Add a filter hook #817

Job	Run time
Core running from src / Core running from src / Linux	2m 12s
Core running from build / Core running from build / Linux	1m 59s
Core running from build / Core running from build / Windows	3m 54s
Core running from src / Core running from src / Windows	3m 36s
Core running from build / Core running from build / MacOS	3m 59s
Core running from src / Core running from src / MacOS	3m 32s
Gutenberg running from build / Gutenberg running from build / Linux	9m 51s
Gutenberg running from src / Gutenberg running from src / Linux	7m 34s
Gutenberg running from src / Gutenberg running from src / Windows	12m 26s
Gutenberg running from build / Gutenberg running from build / MacOS	14m 7s
Gutenberg running from build / Gutenberg running from build / Windows	14m 29s
Gutenberg running from src / Gutenberg running from src / MacOS	15m 52s
Leave WordPress Playground details	2s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 33m 33s

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