Tests

Bump phpunit/phpunit from 10.5.16 to 10.5.20 #35

Job	Run time
PHP 8.2 on ubuntu-latest w/ install	19s
PHP 8.2 on ubuntu-latest w/ update	53s
PHP 8.2 on windows-latest w/ install	40s
PHP 8.2 on windows-latest w/ update	49s
PHP 8.2 on macOS-latest w/ install	1m 12s
PHP 8.2 on macOS-latest w/ update	1m 14s
PHP 8.3 on ubuntu-latest w/ install	18s
PHP 8.3 on ubuntu-latest w/ update	13s
PHP 8.3 on windows-latest w/ install	36s
PHP 8.3 on windows-latest w/ update	40s
PHP 8.3 on macOS-latest w/ install	1m 16s
PHP 8.3 on macOS-latest w/ update	1m 13s
PHP 8.4 on ubuntu-latest w/ install	19s
PHP 8.4 on ubuntu-latest w/ update	13s
PHP 8.4 on windows-latest w/ install	40s
PHP 8.4 on windows-latest w/ update	42s
PHP 8.4 on macOS-latest w/ install	1m 15s
PHP 8.4 on macOS-latest w/ update	1m 43s
	14m 15s

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