chore(deps-dev): Bump wp-phpunit/wp-phpunit from 6.3.1 to 6.4.1 #6224

Job	Run time
WP 6.0.x, multisite: no, JP: yes, PHP: 8.1	6m 53s
WP 6.0.x, multisite: yes, JP: yes, PHP: 8.1	7m 4s
WP 6.1.x, multisite: no, JP: yes, PHP: 8.1	6m 44s
WP 6.1.x, multisite: yes, JP: yes, PHP: 8.1	6m 58s
WP 6.2.x, multisite: no, JP: yes, PHP: 8.1	7m 5s
WP 6.2.x, multisite: yes, JP: yes, PHP: 8.1	7m 14s
WP 6.3.x, multisite: no, JP: yes, PHP: 8.1	6m 39s
WP 6.3.x, multisite: yes, JP: yes, PHP: 8.1	7m 2s
WP latest, multisite: no, JP: yes, PHP: 8.1	11m 39s
WP latest, multisite: yes, JP: yes, PHP: 8.1	11m 39s
WP nightly, multisite: no, JP: yes, PHP: 8.1	6m 57s
WP nightly, multisite: yes, JP: yes, PHP: 8.1	7m 15s
WP latest, multisite: no, JP: no, PHP: 8.1	6m 15s
WP latest, multisite: yes, JP: no, PHP: 8.1	6m 43s
WP nightly, multisite: no, JP: yes, PHP: 8.2	7m 3s
WP nightly, multisite: yes, JP: yes, PHP: 8.2	7m 24s
WP nightly, multisite: no, JP: yes, PHP: 8.3	7m 45s
WP nightly, multisite: yes, JP: yes, PHP: 8.3	7m 18s
	2h 15m 37s

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