Lock framework version to 2.12 #472

Job	Run time
Build Phar	41s
Functional - WP latest on PHP 7.2 with MySQL 8.0	5m 2s
Functional - WP latest on PHP 7.3 with MySQL 8.0	5m 29s
Functional - WP latest on PHP 7.4 with MySQL 8.0	5m 0s
Functional - WP latest on PHP 8.0 with MySQL 8.0	5m 19s
Functional - WP trunk on PHP 7.2 with MySQL 8.0	5m 28s
Functional - WP trunk on PHP 7.2 with MySQL 5.7	5m 3s
Functional - WP trunk on PHP 7.2 with MySQL 5.6	5m 1s
Functional - WP trunk on PHP 7.4 with MySQL 8.0	5m 20s
Functional - WP trunk on PHP 8.0 with MySQL 8.0	5m 1s
Functional - WP trunk on PHP 8.0 with MySQL 5.7	5m 7s
Functional - WP trunk on PHP 8.0 with MySQL 5.6	5m 23s
Functional - WP 3.7 on PHP 5.6 with MySQL 5.6	5m 39s
Deployment	10s
Build RPM package	27s
Build DEB package	54s
	1h 5m 4s

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