Reorder Composer installation step in workflow #215

Job	Run time
PHP Syntax Linting	7s
Validate dependencies file	4s
Scan Dependencies Vulnerabilities	7s
php-lint-quality	11s
PHP Unit Tests (30)	33s
PHP Unit Tests (29)	29s
PHP Unit Tests (28)	29s
PHP Version Compatibility (8.1)	7s
PHP Version Compatibility (8.2)	10s
PHP Version Compatibility (8.3)	10s
	2m 27s

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