[hal,wpilib] Switch to new game data (#8584)

Game data is now limited to 8 bytes, and comes through the UDP packets.

hal/src/main/python/semiwrap/DriverStation.yml

@@ -43,3 +43,4 @@ functions:
   HAL_ObserveUserProgram:
   GetControlWord:
   GetUncachedControlWord:
+  HAL_GetGameData:

hal/src/main/python/semiwrap/DriverStationTypes.yml

@@ -45,8 +45,6 @@ classes:
       matchType:
       matchNumber:
       replayNumber:
-      gameSpecificMessage:
-      gameSpecificMessageSize:
   HAL_JoystickTouchpadFinger:
     attributes:
       down:
@@ -93,6 +91,9 @@ classes:
       IsTest:
       IsTestEnabled:
       GetValue:
+  HAL_GameData:
+    attributes:
+      gameData:
 functions:
   HAL_MakeControlWord:
   HAL_ControlWord_GetOpModeHash:

hal/src/main/python/semiwrap/simulation/DriverStationData.yml

@@ -68,6 +68,11 @@ functions:
   HALSIM_CancelMatchInfoCallback:
   HALSIM_GetMatchInfo:
   HALSIM_SetMatchInfo:
+  HALSIM_RegisterGameDataCallback:
+    ignore: true
+  HALSIM_CancelGameDataCallback:
+  HALSIM_GetGameData:
+  HALSIM_SetGameData:
   HALSIM_SetJoystickButton:
   HALSIM_SetJoystickAxis:
   HALSIM_SetJoystickPOV:
@@ -80,11 +85,11 @@ functions:
         auto s = wpi::util::make_string(sv);
         HALSIM_SetJoystickName(stick, &s);
       }
-  HALSIM_SetGameSpecificMessage:
+  HALSIM_SetGameDataString:
     cpp_code: |
       [](std::string_view sv) {
         auto s = wpi::util::make_string(sv);
-        HALSIM_SetGameSpecificMessage(&s);
+        HALSIM_SetGameDataString(&s);
       }
   HALSIM_SetEventName:
     cpp_code: |