Add `open_new_tab(url=None, switch_to=True)` to CDP Mode

## Add `open_new_tab(url=None, switch_to=True)` to CDP Mode

```python
sb.cdp.open_new_tab(url=None, switch_to=True)
```

For convenience (and less confusion) this duplicate will also be added:

```python
sb.cdp.open_new_window(url=None, switch_to=True)
```