feat: add `BROWSER_ALWAYS_START_WEBSERVER` env var #608

Job	Run time
Sync meta files	0s
code-coverage / Code Coverage	56s
composer-validate / Validate composer.json	8s
sca / Static Code Analysis	20s
test / PHP 8.1, SF 5.4.* - highest	48s
test / PHP 8.1, SF 6.4.* - highest	1m 8s
test / PHP 8.2, SF 5.4.* - highest	1m 0s
test / PHP 8.2, SF 6.4.* - highest	58s
test / PHP 8.2, SF 7.1.* - highest	1m 25s
test / PHP 8.2, SF 7.2.* - highest	49s
test / PHP 8.3, SF 5.4.* - highest	53s
test / PHP 8.3, SF 6.4.* - highest	56s
test / PHP 8.3, SF 7.1.* - highest	1m 9s
test / PHP 8.3, SF 7.2.* - highest	57s
test / PHP 8.4, SF 5.4.* - highest	59s
test / PHP 8.4, SF 6.4.* - highest	55s
test / PHP 8.4, SF 7.1.* - highest	50s
test / PHP 8.4, SF 7.2.* - highest	58s
test / PHP 8.1, SF * - lowest	1m 9s
Run php-cs-fixer	0s
	16m 18s

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