PHP Backport: Add excerpt support to the wp_block post type #5376

Job	Run time
Core running from build / Core running from build / Linux	2m 10s
Core running from src / Core running from src / Linux	1m 49s
Core running from build / Core running from build / Windows	3m 41s
Core running from src / Core running from src / Windows	3m 16s
Core running from build / Core running from build / MacOS	1m 42s
Core running from src / Core running from src / MacOS	1m 57s
Gutenberg running from build / Gutenberg running from build / Linux	8m 34s
Gutenberg running from src / Gutenberg running from src / Linux	8m 49s
Gutenberg running from build / Gutenberg running from build / Windows	12m 55s
Gutenberg running from src / Gutenberg running from src / Windows	12m 29s
Gutenberg running from src / Gutenberg running from src / MacOS	7m 29s
Gutenberg running from build / Gutenberg running from build / MacOS	7m 30s
Leave WordPress Playground details	2s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 12m 23s

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