Update ca53 metrics for cts missing entry fix

[INFO] Tightening rule globalroute__timing__clock__slack from -456.02 to -403.4.
[INFO] Tightening rule globalroute__timing__setup__ws from -456.02 to -403.4.
[INFO] Updating failing rule finish__timing__drv__max_slew_limit from -0.32 to -0.54.

Signed-off-by: Matt Liberty <mliberty@precisioninno.com>

Author: maliberty