Use API for MariaDB version test

[todeveni]

Use data from MariaDB API and re-enable test.
This patch assumes that when a release is missing from said API, it'll be EOL.

Trac ticket: https://core.trac.wordpress.org/ticket/63586

[github-actions]

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[github-actions]

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[peterwilsoncc]

If the version is unlisted we can fail the test immediately and avoid the need to fake the date when it's unknown.

[peterwilsoncc]

Suggested change

	// If the release ID is not found, expect it to be an EOL release and return one day before the current date.
	if ( ! isset( $mariadb_eol ) ) {
	$mariadb_eol = gmdate( 'Y-m-d', strtotime( '-1 day' ) );
	}
	// If the release ID is not found the version is unsupported.
	if ( ! isset( $mariadb_eol ) ) {
	$this->fail( "{$matches[1]} is not included in MariaDB's list of supported versions. Remember to update the WordPress.org Requirements page, too." );
	}