Add a CI job running on PHP 8.5 #286

Job	Run time
Static analysis	16s
Check composer.json	13s
Tests (PHP 8.4, Selenium 2.53.1) with coverage	1m 41s
Tests (PHP 8.0, Selenium 2.53.1)	1m 45s
Tests (PHP 8.1, Selenium 2.53.1)	1m 31s
Tests (PHP 7.4, Selenium 2.53.1)	1m 35s
Tests (PHP 8.4, Selenium 3.141.59) with coverage	2m 7s
Tests (PHP 7.2, Selenium 2.53.1)	1m 30s
Tests (PHP 7.3, Selenium 2.53.1)	1m 30s
Tests (PHP 8.5, Selenium 2.53.1)	1m 45s
Tests (PHP 8.4, Selenium 4) with coverage	45s
Tests (PHP 8.3, Selenium 2.53.1)	1m 37s
Tests (PHP 8.2, Selenium 2.53.1)	1m 33s
Check composer.json	13s
Static analysis	16s
Tests (PHP 7.3, Selenium 2.53.1)	1m 30s
Tests (PHP 8.5, Selenium 2.53.1)	1m 33s
Tests (PHP 7.2, Selenium 2.53.1)	1m 30s
Tests (PHP 8.4, Selenium 4) with coverage	45s
Tests (PHP 7.4, Selenium 2.53.1)	1m 35s
Tests (PHP 8.2, Selenium 2.53.1)	1m 33s
Tests (PHP 8.4, Selenium 2.53.1) with coverage	1m 41s
Tests (PHP 8.1, Selenium 2.53.1)	1m 31s
Tests (PHP 8.0, Selenium 2.53.1)	1m 45s
Tests (PHP 8.4, Selenium 3.141.59) with coverage	2m 7s
Tests (PHP 8.3, Selenium 2.53.1)	1m 37s
	35m 24s

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