Support aggregation of attributes from multiple databases #171

Job	Run time
PHP-Linter (8.1) / linter	12s
PHP-Linter (8.2) / linter	12s
PHP-Linter (8.4) / linter	9s
PHP-Linter (8.3) / linter	29s
Linter / yaml-linter	7s
Linter / json-linter	41s
Linter / ecmascript-linter	-1s
Linter / style-linter	-1s
Unit tests, PHP 8.3, ubuntu-latest	38s
Unit tests, PHP 8.2, ubuntu-latest	34s
Unit tests, PHP 8.5, ubuntu-latest	40s
Unit tests, PHP 8.3, windows-latest	1m 10s
Unit tests, PHP 8.5, windows-latest	1m 22s
Unit tests, PHP 8.2, windows-latest	1m 24s
Unit tests, PHP 8.4, windows-latest	1m 10s
Unit tests, PHP 8.4, ubuntu-latest	40s
Security checks	19s
Code coverage	10s
Quality control	25s
Cleanup artifacts	4s
	10m 24s

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