wrong temperature on RP2040 (it shows -1479.79)

### CircuitPython version

```python
Adafruit CircuitPython 9.2.1 on 2024-11-20; VCC-GND Studio YD RP2040 with rp2040
```


### Code/REPL

```python
import microcontroller
print(microcontroller.cpu.temperature)
```


### Behavior

it prints: `-1479.79`

### Description

_No response_

### Additional information

_No response_