update metrics public designs

./designs/asap7/aes-block/ --variant base --failing --tighten
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| cts__design__instance__count__hold_buffer     |     1178 |     1061 | Tighten  |
| detailedroute__route__wirelength              |    82464 |    98764 | Failing  |
| finish__timing__setup__ws                     |  -213.94 |  -164.76 | Tighten  |
| finish__design__instance__area                |     7468 |     7462 | Tighten  |
| finish__timing__drv__hold_violation_count     |      166 |      368 | Failing  |
| finish__timing__wns_percent_delay             |    -41.6 |   -35.48 | Tighten  |

./designs/sky130hd/chameleon/ --variant base --failing --tighten
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| placeopt__design__instance__area              |  6533817 |  6532701 | Tighten  |
| globalroute__antenna_diodes_count             |      216 |      350 | Failing  |
| detailedroute__route__wirelength              |   821835 |   800673 | Tighten  |
| detailedroute__antenna_diodes_count           |      335 |      298 | Tighten  |
| finish__design__instance__area                |  6538118 |  6537497 | Tighten  |

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

Author: gudeh