update private designs metrics

./designs/gf12/coyote/ --variant base --failing --tighten
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| detailedroute__route__drc_errors              |        0 |        1 | Failing  |

./designs/gf12/gcd/ --variant base --failing --tighten
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| finish__timing__setup__ws                     |   -13.26 |   -29.55 | Failing  |
| finish__design__instance__area                |      604 |      598 | Tighten  |

./designs/intel16/gcd/ --variant base --failing --tighten
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| cts__design__instance__count__setup_buffer    |       40 |       55 | Failing  |

Signed-off-by: Augusto Berndt <[email protected]>

Author: gudeh

flow/designs/gf12/coyote/metadata-base-ok.json

@@ -36,7 +36,7 @@
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
-        "value": 0,
+        "value": 1,
         "compare": "<="
     },
     "detailedroute__antenna__violating__nets": {