Replace download with symfony http-client #236

Job	Run time
PHP-Linter (8.5) / linter	14s
PHP-Linter (8.3) / linter	16s
PHP-Linter (8.4) / linter	14s
Linter / yaml-linter	4s
Linter / json-linter	25s
Linter / style-linter	0s
Linter / ecmascript-linter	0s
Unit tests, PHP 8.3, ubuntu-latest	29s
Unit tests, PHP 8.5, ubuntu-latest	26s
Unit tests, PHP 8.5, windows-latest	1m 1s
Unit tests, PHP 8.4, ubuntu-latest	27s
Unit tests, PHP 8.3, windows-latest	1m 3s
Unit tests, PHP 8.4, windows-latest	2m 17s
Security checks	0s
Code coverage	0s
Quality control	0s
Cleanup artifacts	0s
	6m 56s

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