Add End2EndPhpt test suite to legacy configuration #142

Job	Run time
QuickTest: PHP latest (Linux ARM)	37s
QuickTest: PHP 8.1 (Linux ARM)	38s
QuickTest: PHP 7.2 (Win)	43s
QuickTest: PHP 7.2 (Linux ARM)	53s
QuickTest: PHP latest (Win)	43s
QuickTest: PHP 8.1 (Win)	41s
	4m 15s

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