Composer: avoid writing a lock file #478

Job	Run time
Test: PHP 5.5 - PHPCS lowest	30s
Test + Lint: PHP 5.5 - PHPCS dev-master	33s
Test: PHP 5.6 - PHPCS lowest	1s
Test + Lint: PHP 5.6 - PHPCS dev-master	1s
Test: PHP 7.0 - PHPCS lowest	1s
Test + Lint: PHP 7.0 - PHPCS dev-master	1s
Test: PHP 7.1 - PHPCS lowest	1s
Test + Lint: PHP 7.1 - PHPCS dev-master	1s
Test: PHP 7.2 - PHPCS lowest	1s
Test + Lint: PHP 7.2 - PHPCS dev-master	1s
Test: PHP 7.3 - PHPCS lowest	1s
Test + Lint: PHP 7.3 - PHPCS dev-master	1s
Test: PHP 7.4 - PHPCS lowest	1s
Test + Lint: PHP 7.4 - PHPCS dev-master	1s
Test: PHP 8.0 - PHPCS lowest	1s
Test + Lint: PHP 8.0 - PHPCS dev-master	1s
Test: PHP 8.1 - PHPCS lowest	1s
Test + Lint: PHP 8.1 - PHPCS dev-master	1s
Test: PHP 8.2 - PHPCS lowest	1s
Test + Lint: PHP 8.2 - PHPCS dev-master	1s
Test: PHP 8.4 - PHPCS lowest	1s
Test + Lint: PHP 8.4 - PHPCS dev-master	1s
Coverage${{ (((matrix.phpcs_version == 'dev-master') && ' + Lint') \|\| '') }}: PHP ${{ matrix.php }} - PHPCS ${{ matrix.phpcs_version }}	0s
coveralls-finish	0s
	1m 23s

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