flow: update metrics for private designs

designs/rapidus2hp/cva6/rules-base.json updates:
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| cts__timing__setup__ws                        |   -0.138 |   -0.101 | Tighten  |
| cts__timing__setup__tns                       |   -287.0 |   -205.0 | Tighten  |
| globalroute__timing__setup__tns               |   -575.0 |   -584.0 | Failing  |
| finish__timing__setup__tns                    |   -575.0 |   -584.0 | Failing  |

designs/rapidus2hp/cva6/rules-verific.json updates:
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| cts__timing__setup__ws                        |   -0.157 |    -0.14 | Tighten  |
| cts__timing__setup__tns                       |   -518.0 |   -412.0 | Tighten  |
| globalroute__timing__setup__tns               |   -650.0 |   -697.0 | Failing  |
| finish__timing__setup__tns                    |   -650.0 |   -697.0 | Failing  |

designs/rapidus2hp/hercules_is_int/rules-base.json updates:
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| globalroute__timing__setup__ws                |   -0.105 |   -0.104 | Tighten  |
| globalroute__timing__setup__tns               |   -907.0 |  -1120.0 | Failing  |
| finish__timing__setup__ws                     |   -0.105 |   -0.104 | Tighten  |
| finish__timing__setup__tns                    |   -907.0 |  -1120.0 | Failing  |

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>

Author: jhkim-pii

flow/designs/rapidus2hp/cva6/rules-base.json

@@ -52,7 +52,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -575.0,
+        "value": -584.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -68,7 +68,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -575.0,
+        "value": -584.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

flow/designs/rapidus2hp/hercules_is_int/rules-base.json

@@ -52,7 +52,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -898.0,
+        "value": -1120.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -68,7 +68,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -898.0,
+        "value": -1120.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {