BUG: Error with the upgrade. pd.DataFrame(dict) not working. Exception: Data must be 1-dimensional
### 

- [X] I have checked that this issue has not already been reported.

- [X] I have confirmed this bug exists on the [latest version](https://pandas.pydata.org/docs/whatsnew/index.html) of pandas.

- [X] I have confirmed this bug exists on the master branch of pandas.


### Reproducible Example

```python
import pandas as pd
dicto = {'Hello':['1','2'],'Hey':['4','5']}
df = pd.DataFrame(dicto)
```


### Issue Description

Exception: Data must be 1-dimensional.

Downgrading to 0.25.3 works

### Expected Behavior

Return Dataframe of the dic

### Installed Versions

<details>

pandas           : 1.3.3

</details>
