Boost: Add tests for Image CDN #66152

Job	Run time
Determine tests matrix	9s
Storybook tests	3m 10s
Static analysis	7m 40s
Check plugin monorepo dep versions	44s
PHP tests: PHP 7.0 WP latest	2m 20s
PHP tests: PHP 7.2 WP latest	2m 54s
PHP tests: PHP 7.3 WP latest	2m 22s
PHP tests: PHP 7.4 WP latest	2m 22s
PHP tests: PHP 8.0 WP latest	2m 21s
PHP tests: PHP 8.1 WP latest	2m 32s
PHP tests: PHP 8.2 WP latest	2m 0s
PHP tests: PHP 8.3 WP latest	1m 57s
PHP tests: PHP 8.2 WP previous	2m 14s
PHP tests: PHP 8.2 WP trunk	2m 2s
PHP tests: PHP 7.4 WP latest with WooCommerce	1m 12s
JS tests	1m 14s
	37m 13s

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