[BUG] Chapter 2, Dataframe.corr raises an exception when using pandas 2.0.0

As of Pandas version 2.0.0 Dataframe.corr breaks if there are non numeric columns.
The problem appears in a couple of cells. One in Section 2.2 and one in Section 2.3

**To Reproduce**

```python
corr_matrix = housing.corr()
```

**Solution**

```python
corr_matrix = housing.corr(numeric_only=True)
```

**Versions:**
- MacOSX 14.0
- Python: 3.11.6
- Scikit-Learn: 1.3.1
- Pandas 2.0.0