Incorrect value inference of `-N // +N`

**Describe the bug**
Pyright infers wrong literal value from the result of integer division of a positive and negative integer.

**Code or Screenshots**

```python
reveal_type(-10 // 8)  # Literal[-1]
reveal_type(10 // -8)  # Literal[-1]
```
```python
>>> -10 // 8
-2
>>> 10 // -8
-2
```

**VS Code extension or command-line**
VS Code, pylance `2025.3.1 prerelease`
