Cannot serialize arrays

This throws an error:
```python
import numpy as np
import dpnp
import pickle
x = dpnp.array(
    np.sqrt(np.arange(10)).astype(np.float32),
    device="gpu",
)
pickle.dumps(x)
```
```
File <stringsource>:2, in dpctl.tensor._usmarray.usm_ndarray.__reduce_cython__()

TypeError: no default __reduce__ due to non-trivial __cinit__
```