Add QA things in CI (#5) #15

Job	Run time
PHP Syntax Linting	6s
Validate dependencies file	4s
Scan Dependencies Vulnerabilities	13s
PHP Unit Tests (8.2)	15s
PHP Unit Tests (8.1)	15s
PHP Unit Tests (8.3)	18s
PHP Version Compatibility (8.1)	8s
PHP Version Compatibility (8.2)	8s
PHP Version Compatibility (8.3)	12s
	1m 39s

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