Bump minimum PHP version, replace super-linter #155

Job	Run time
Linter / yaml-linter	5s
Linter / json-linter	24s
Linter / ecmascript-linter	16s
Linter / style-linter	14s
PHP-Linter (8.3) / linter	11s
PHP-Linter (8.4) / linter	12s
PHP-Linter (8.5) / linter	16s
Quality control	0s
Code coverage	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Security checks	0s
Cleanup artifacts	0s
	1m 38s

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