[BUG] "File don't exist" error message

### Expected Behavior

Small nitpick issue. Error message should say "File doesn't exist..."

### Actual Behavior

Error message currently says "File don't exist..."

### Steps To Reproduce

_No response_

### Kompose Version

```Text
1.35.0 (9532ceef3)
```

### Docker-Compose file

```YAML
N/A
```

### Anything else?

_No response_