Tests

update libwebp and libxml2 #2529

Job	Run time
phpstan	35s
PHPUnit (PHP 8.4)	18s
Define Matrix	17s
php-cs-fixer	22s
Build PHP Test (PHP 8.4 macos-15-intel)	18m 7s
Build PHP Test (PHP 8.5 macos-15-intel)	19m 47s
Build PHP Test (PHP 8.4 ubuntu-22.04)	4m 8s
Build PHP Test (PHP 8.4 ubuntu-24.04-arm)	7m 22s
Build PHP Test (PHP 8.4 macos-15)	9m 42s
Build PHP Test (PHP 8.5 macos-15)	8m 50s
Build PHP Test (PHP 8.5 ubuntu-22.04)	7m 29s
Build PHP Test (PHP 8.5 ubuntu-24.04-arm)	8m 7s
	1h 25m 4s

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