Add ext-sodium for composer-require-checker #408

Job	Run time
PHP-Linter (8.3) / linter	11s
Linter / json-linter	27s
PHP-Linter (8.4) / linter	16s
PHP-Linter (8.5) / linter	16s
Linter / yaml-linter	5s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP 8.3, windows-latest	1m 6s
Unit tests, PHP 8.4, ubuntu-latest	20s
Unit tests, PHP 8.3, ubuntu-latest	22s
Unit tests, PHP 8.5, ubuntu-latest	25s
Unit tests, PHP 8.4, windows-latest	53s
Unit tests, PHP 8.5, windows-latest	51s
Quality control	21s
Code coverage	6s
Security checks	17s
Cleanup artifacts	4s
	6m 0s

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