Inferred literal string incompatible with str.

### Describe the Bug

```python
lines = []
lines.append("asdf" * 2)
wat = {"wat": "adsf"}
lines.append(wat["wat"])
```

produces

```
ERROR Argument `str` is not assignable to parameter `object` with type `LiteralString` in function `list.append` [bad-argument-type]
--> test.py:4:14
|
4 | lines.append(wat["wat"])
| ^^^^^^^^^^
|
INFO 1 error
```

whereas

```python
lines = []
lines.append("asdf")
wat = {"wat": "adsf"}
lines.append(wat["wat"])
```

produces no issues

### Sandbox Link

_No response_

### (Only applicable for extension issues) IDE Information

_No response_