Improve compatibility with other operating systems #1387

Job	Run time
Get base test matrix	9s
Prepare matrix for functional tests	7s
Prepare matrix for unit tests	5s
Unit test / PHP 8.4 (ubuntu-22.04)	34s
Unit test / PHP 8.4 (macos-15)	1m 58s
Unit test / PHP 8.4 (windows-2025)	50s
Functional - WP latest on PHP 8.4 with SQLite (ubuntu-22.04)	1m 18s
Functional - WP latest on PHP 8.4 with mysql-8.0 (macos-15)	1m 50s
Functional - WP latest on PHP 8.4 with mysql-8.0 (windows-2025)	56s
Functional - WP latest on PHP 8.4 with mysql-8.0 (ubuntu-22.04)	1m 13s
Functional - WP latest on PHP 8.4 with SQLite (macos-15)	2m 9s
Functional - WP latest on PHP 8.4 with SQLite (windows-2025)	46s
	11m 55s

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