I would expect the following to work for setting height or width for a scatter matrix plot, but the sizing is unchanged.

```
import hvplot
import pandas as pd
import numpy as np
# Sample DataFrame
df = pd.DataFrame({
'A': np.random.randn(100),
'B': np.random.randn(100),
'C': np.random.randn(100)
})
# Scatter matrix plot with specified width and height for each subplot
scatter_matrix = hvplot.scatter_matrix(df, width=200, height=900).opts(width=2000)
scatter_matrix
```

How can I modify the size of a scatter matrix in hvplot?