Refresh: Implement 'the_block_template_html' filter for the block template #4907

Job	Run time
Core running from src / Core running from src / Linux	1m 57s
Core running from build / Core running from build / Windows	3m 41s
Core running from build / Core running from build / Linux	2m 2s
Core running from src / Core running from src / Windows	3m 18s
Core running from build / Core running from build / MacOS	1m 52s
Core running from src / Core running from src / MacOS	1m 46s
Gutenberg running from build / Gutenberg running from build / Linux	8m 31s
Gutenberg running from src / Gutenberg running from src / Linux	8m 44s
Gutenberg running from build / Gutenberg running from build / Windows	12m 17s
Gutenberg running from src / Gutenberg running from src / Windows	12m 14s
Gutenberg running from build / Gutenberg running from build / MacOS	7m 26s
Gutenberg running from src / Gutenberg running from src / MacOS	9m 36s
Leave WordPress Playground details	2s
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Failed workflow tasks	0s
	1h 13m 26s

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