Add memcached to PHP 8.3/8.4 and update everywhere else #173

Job	Run time
Check for uncommitted changes	10s
PHP 7.2 Image	2m 59s
PHP 7.3 Image	2m 59s
PHP 7.4 Image	2m 56s
PHP 8.0 Image	2m 59s
PHP 8.1 Image	3m 4s
PHP 8.2 Image	2m 59s
PHP 8.3 Image	2m 43s
PHP 8.4 Image	3m 3s
PHPUnit ${{ matrix.phpunit }}	0s
CLI on PHP ${{ matrix.php }}	0s
PHPUnit on PHP ${{ matrix.php }}	0s
	23m 52s

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