Tests

Drop support for PHP <8.3 #1360

Job	Run time
Backward Compatibility Check	57s
PHP 8.3, highest deps	59s
PHP 8.4, lowest deps	1m 5s
PHP 8.5, lowest deps	1m 49s
PHP 8.3, lowest deps	1m 3s
PHP 8.4, highest deps	1m 11s
PHP 8.5, highest deps	1m 46s
	8m 50s

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