[Task]: Update Go SDK Code Katas Beam module dependency

### What needs to happen?

The Beam module dependency listed at [learning/katas/go/go.mod](https://github.com/apache/beam/blob/master/learning/katas/go/go.mod#L22) needs to change from:

```
github.com/apache/beam v2.23.0+incompatible
```

to:

```
github.com/apache/beam/sdks/v2/go/pkg/beam
```



### Issue Priority

Priority: 3

### Issue Component

Component: katas