Bump actions/checkout from 6 to 7 in the all-actions group #172

Job	Run time
PHP-Linter (8.3) / linter	9s
Linter / yaml-linter	5s
PHP-Linter (8.4) / linter	12s
Linter / json-linter	25s
PHP-Linter (8.5) / linter	9s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Security checks	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Code coverage	-1s
Quality control	-1s
Cleanup artifacts	-1s
	57s

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