Run tests on PHP 8.3 #1142

Job	Run time
Code style and static analysis	1m 35s
Code style and static analysis	1m 35s
Integration tests (Selenium 3.141.59)	1m 15s
Integration tests (Selenium 3.141.59)	1m 17s
Markdown link check	19s
Markdown link check	26s
Integration tests (Selenium 4.10.0)	3m 12s
Integration tests (Selenium 4.10.0)	1m 15s
Unit tests - PHP 7.3	4s
Unit tests - PHP 7.3	34s
Unit tests - PHP 7.4	4s
Unit tests - PHP 7.4	30s
Unit tests - PHP 8.0	5s
Unit tests - PHP 8.0	25s
Unit tests - PHP 8.1	51s
Unit tests - PHP 8.1	27s
Unit tests - PHP 8.2	2s
Unit tests - PHP 8.2	27s
Unit tests - PHP 8.3	4s
Unit tests - PHP 8.3	24s
Unit tests - PHP 7.3 --prefer-lowest --prefer-stable	2s
Unit tests - PHP 7.3 --prefer-lowest --prefer-stable	30s
Tests finished	0s
Tests finished	5s
	15m 28s

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