Bump phpunit/phpunit from 10.5.11 to 10.5.16 #240

Job	Run time
PHP 8.2 on ubuntu-latest w/ install	12s
PHP 8.2 on ubuntu-latest w/ update	12s
PHP 8.2 on windows-latest w/ install	45s
PHP 8.2 on windows-latest w/ update	44s
PHP 8.2 on macOS-latest w/ install	1m 21s
PHP 8.2 on macOS-latest w/ update	1m 28s
PHP 8.3 on ubuntu-latest w/ install	11s
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	36s
PHP 8.3 on macOS-latest w/ install	1m 35s
PHP 8.3 on macOS-latest w/ update	1m 23s
PHP 8.4 on ubuntu-latest w/ install	13s
PHP 8.4 on ubuntu-latest w/ update	14s
PHP 8.4 on windows-latest w/ install	54s
PHP 8.4 on windows-latest w/ update	41s
PHP 8.4 on macOS-latest w/ install	1m 33s
PHP 8.4 on macOS-latest w/ update	1m 43s
	14m 34s

Provide feedback