Add ext-sodium for linux as well #464

Job	Run time
PHP-Linter (8.4) / linter	15s
Linter / json-linter	26s
PHP-Linter (8.5) / linter	14s
Linter / yaml-linter	6s
PHP-Linter (8.3) / linter	23s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP 8.4, ubuntu-latest	36s
Unit tests, PHP 8.3, ubuntu-latest	35s
Unit tests, PHP 8.5, ubuntu-latest	42s
Unit tests, PHP 8.5, windows-latest	1m 10s
Unit tests, PHP 8.3, windows-latest	1m 18s
Unit tests, PHP 8.4, windows-latest	1m 7s
Security checks	26s
Quality control	39s
Code coverage	8s
Cleanup artifacts	4s
	8m 9s

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