For loop with negative step: false positive

還沒有人認領這個 Issue。

### How are you using the lua-language-server?

NeoVim

### Which OS are you using?

Windows WSL

### What is the issue affecting?

Diagnostics/Syntax Checking

### Expected Behaviour

Warning shouldn't be displayed

### Actual Behaviour

Warning is displayed

### Reproduction steps

```lua
local r = 1
for x = -r, 1 do
print(x)
end
```

### Additional Notes

Tested on 3.13.2.

### Log File

I am using nvim + mason, and it does not save any logs even with command line arguments.

在回報的 Neovim 設定中透過 LuaLS 3.13.2 執行提供的 Lua 程式片段，並確認 Diagnostics/Syntax Checking 下的診斷結果。追蹤數值 for 迴圈的分析方式，然後驗證這個有效的迴圈不再產生警告。

由索引模型根據 Issue 內容生成。