fix(wokwi): Change CPU freq to 120

Author: lucasssvaz

tests/validation/uart/diagram.esp32.json

@@ -6,7 +6,7 @@
     {
       "type": "board-esp32-devkit-c-v4",
       "id": "esp",
-      "attrs": { "cpuFrequency": "80" }
+      "attrs": { "cpuFrequency": "120" }
     }
   ],
   "connections": [