bug: Companion sending invalid "temp" parameter to Ollama

If you set the temperature in Companion it looks like it's incorrectly sending it to Ollama as "`temp`" rather than "`temperature`":

```
[GIN] 2024/11/14 - 20:14:03 | 200 | 10.000261091s |    192.168.0.75 | POST     "/api/generate"
time=2024-11-14T20:14:03.873Z level=WARN source=types.go:509 msg="invalid option provided" option=temp
```