Readonly properties #1478

Job	Run time
Security checks	13s
Quality control	32s
PHP-Linter (8.3) / linter	15s
PHP-Linter (8.2) / linter	21s
PHP-Linter (8.4) / linter	11s
Linter / json-linter	28s
Linter / yaml-linter	6s
Linter / style-linter	0s
Linter / ecmascript-linter	0s
Unit tests, PHP 8.3, windows-latest	1m 1s
Unit tests, PHP 8.4, windows-latest	56s
Unit tests, PHP 8.3, ubuntu-latest	20s
Unit tests, PHP 8.2, ubuntu-latest	19s
Unit tests, PHP 8.2, windows-latest	1m 3s
Unit tests, PHP 8.4, ubuntu-latest	19s
Code coverage	0s
Cleanup artifacts	0s
	6m 4s

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