Update OR and nangate45/black_parrot metrics

designs/nangate45/black_parrot/
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| finish__timing__setup__ws                     |    -3.42 |    -3.72 | Failing  |

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

Author: maliberty

flow/designs/nangate45/black_parrot/rules-base.json

@@ -48,7 +48,7 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -3.42,
+        "value": -3.72,
         "compare": ">="
     },
     "finish__design__instance__area": {