Refactor: merge reusable workflows #343

Job	Run time
Linter	1m 22s
Quality control	35s
Security checks	20s
Code coverage	0s
format('Unit tests, PHP {0}, {1}', matrix.php-versions, matrix.operating-system)	-1s
format('Unit tests, PHP {0}, {1}', matrix.php-versions, matrix.operating-system)	-1s
Cleanup artifacts	0s
	2m 15s

Provide feedback