Update ihp-sg13g2/ibex metrics

designs/ihp-sg13g2/ibex/rules-base.json updates:
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| globalroute__antenna_diodes_count             |      468 |      428 | Tighten  |
| detailedroute__route__wirelength              |  1195027 |  1194089 | Tighten  |
| detailedroute__antenna__violating__nets       |       42 |       36 | Tighten  |
| finish__design__instance__area                |   645780 |   645302 | Tighten  |
| finish__timing__wns_percent_delay             |    -10.0 |   -22.29 | Failing  |

Signed-off-by: Matt Liberty <[email protected]>

Author: maliberty

flow/designs/ihp-sg13g2/ibex/rules-base.json

@@ -28,19 +28,19 @@
         "compare": "<="
     },
     "globalroute__antenna_diodes_count": {
-        "value": 468,
+        "value": 428,
         "compare": "<="
     },
     "detailedroute__route__wirelength": {
-        "value": 1195027,
+        "value": 1194089,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
         "value": 0,
         "compare": "<="
     },
     "detailedroute__antenna__violating__nets": {
-        "value": 42,
+        "value": 36,
         "compare": "<="
     },
     "detailedroute__antenna_diodes_count": {
@@ -52,7 +52,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 645780,
+        "value": 645302,
         "compare": "<="
     },
     "finish__timing__drv__setup_violation_count": {
@@ -64,7 +64,7 @@
         "compare": "<="
     },
     "finish__timing__wns_percent_delay": {
-        "value": -10.0,
+        "value": -22.29,
         "compare": ">="
     }
 }