Merge pull request #3002 from The-OpenROAD-Project-staging/metrics-ihp-riscv32i

Update antenna metrics for ./designs/ihp-sg13g2/riscv32i

Author: maliberty

flow/designs/ihp-sg13g2/riscv32i/rules-base.json

@@ -40,7 +40,7 @@
         "compare": "<="
     },
     "detailedroute__antenna__violating__nets": {
-        "value": 21,
+        "value": 30,
         "compare": "<="
     },
     "detailedroute__antenna_diodes_count": {