Update simplesamlphp/composer-module-installer requirement from ~1.3.6 to ~1.4.0 in the production-dependencies group #251

Job	Run time
PHP-Linter (8.1) / linter	10s
Linter / json-linter	25s
PHP-Linter (8.3) / linter	18s
PHP-Linter (8.2) / linter	9s
Linter / yaml-linter	5s
PHP-Linter (8.4) / linter	8s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Quality control	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Security checks	0s
Code coverage	0s
Cleanup artifacts	0s
	1m 15s

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