Add names to workflows #13

Job	Run time
psalm / psalm (8.1, locked)	31s
phpunit / phpunit (8.1, locked)	25s
psalm / psalm (8.1, lowest)	36s
composer / composer-check-unused	21s
phpunit / phpunit (8.1, lowest)	22s
psalm / psalm (8.1, highest)	28s
composer / composer-check-require	1m 4s
phpunit / phpunit (8.1, highest)	40s
composer / composer-normalize	37s
composer / composer-validate	14s
phpunit / phpunit (8.2, locked)	17s
infection / infection	32s
phpunit / phpunit (8.2, lowest)	29s
php-cs-fixer / php-cs-fixer	21s
phpunit / phpunit (8.2, highest)	20s
phpunit / phpunit (8.3, locked)	16s
phpunit / phpunit (8.3, lowest)	22s
phpunit / phpunit (8.3, highest)	20s
	8m 15s

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