Add reusable linter-workflows #286

Job	Run time
Security checks	16s
Linter	1m 20s
Quality control	39s
format('Unit tests, PHP {0}, {1}', matrix.php-versions, matrix.operating-system)	0s
format('Unit tests, PHP {0}, {1}', matrix.php-versions, matrix.operating-system)	0s
Code coverage	-1s
Cleanup artifacts	-1s
	2m 13s

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