godotcpp4: fix python scripts

[Persson-dev]

Was causing

NameError: name 'BoolVariable' is not defined:
  File "~/.xmake/cache/packages/2408/g/godotcpp4/4.2/source/godotcpp4/SConstruct", line 36:
    cpp_tool.options(opts, env)
  File "~/.xmake/cache/packages/2408/g/godotcpp4/4.2/source/godotcpp4/tools/godotcpp.py", line 325:
    tool.options(opts)
  File "~/.xmake/cache/packages/2408/g/godotcpp4/4.2/source/godotcpp4/tools/ios.py", line 24:
    opts.Add(BoolVariable("ios_simulator", "Target iOS Simulator", False))```

[star-hengxing]

It looks like upstream has been fixed, maybe just need to update the commit hash?

[Persson-dev]

You're right. It works just fine now 👍