Update metrics for nightly designs

| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| synth__design__instance__area__stdcell        | 875702.08 | 778745.85 | Tighten  |
| placeopt__design__instance__area              |   928020 |   865478 | Tighten  |
| placeopt__design__instance__count__stdcell    |   346412 |   300600 | Tighten  |
| cts__design__instance__count__setup_buffer    |    30123 |    26139 | Tighten  |
| cts__design__instance__count__hold_buffer     |    30123 |    26139 | Tighten  |
| finish__timing__setup__ws                     |    -0.88 |    -2.75 | Failing  |
| finish__design__instance__area                |   931337 |   879116 | Tighten  |
| finish__timing__drv__setup_violation_count    |    15061 |    13070 | Tighten  |
| finish__timing__wns_percent_delay             |   -19.62 |   -42.49 | Failing  |

| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| detailedroute__route__wirelength              |  1623335 |  1928248 | Failing  |
| finish__timing__drv__hold_violation_count     |     1034 |      566 | Tighten  |

Signed-off-by: Martin Povišer <[email protected]>