actions: Add ext-sodium #663

Job	Run time
Linter / json-linter	28s
Linter / ecmascript-linter	18s
PHP-Linter (8.3) / linter	10s
PHP-Linter (8.4) / linter	11s
PHP-Linter (8.5) / linter	10s
Linter / yaml-linter	7s
Linter / style-linter	0s
Unit tests, PHP 8.5, windows-latest	47s
Unit tests, PHP 8.4, ubuntu-latest	21s
Unit tests, PHP 8.5, ubuntu-latest	25s
Unit tests, PHP 8.3, ubuntu-latest	16s
Unit tests, PHP 8.4, windows-latest	46s
Unit tests, PHP 8.3, windows-latest	44s
Code coverage	-1s
Cleanup artifacts	-1s
Security checks	-1s
Quality control	-1s
	4m 39s

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