Update metrics for MPL changes

gf12/swerv_wrapper
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| cts__design__instance__count__hold_buffer     |    13650 |    11303 | Tighten  |
| detailedroute__route__wirelength              |  2668710 |  2311628 | Tighten  |
| finish__timing__drv__hold_violation_count     |      521 |      755 | Failing  |

Signed-off-by: Arthur Koucher <[email protected]>

Author: AcKoucher

flow/designs/gf12/swerv_wrapper/rules-base.json

@@ -24,15 +24,15 @@
         "compare": "<="
     },
     "cts__design__instance__count__hold_buffer": {
-        "value": 13650,
+        "value": 11303,
         "compare": "<="
     },
     "globalroute__antenna_diodes_count": {
         "value": 0,
         "compare": "<="
     },
     "detailedroute__route__wirelength": {
-        "value": 2668710,
+        "value": 2311628,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -60,7 +60,7 @@
         "compare": "<="
     },
     "finish__timing__drv__hold_violation_count": {
-        "value": 521,
+        "value": 755,
         "compare": "<="
     },
     "finish__timing__wns_percent_delay": {