Support aggregation of attributes from multiple databases #177

Job	Run time
PHP-Linter (8.1) / linter	10s
Linter / json-linter	28s
Linter / yaml-linter	6s
PHP-Linter (8.2) / linter	19s
PHP-Linter (8.3) / linter	15s
PHP-Linter (8.4) / linter	11s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP 8.2, ubuntu-latest	48s
Unit tests, PHP 8.5, ubuntu-latest	43s
Unit tests, PHP 8.4, ubuntu-latest	45s
Unit tests, PHP 8.2, windows-latest	1m 21s
Unit tests, PHP 8.3, ubuntu-latest	52s
Unit tests, PHP 8.3, windows-latest	1m 18s
Unit tests, PHP 8.4, windows-latest	1m 5s
Unit tests, PHP 8.5, windows-latest	1m 18s
Quality control	41s
Security checks	28s
Code coverage	10s
Cleanup artifacts	3s
	11m 1s

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