arrow

GH-41608: [C++][Python] Extends the add_key_value to parquet::arrow and PyArrow (#41633)



### Rationale for this change

The previous pr ( https://github.com/apache/arrow/pull/34889 ) add a `AddKeyValueMetadata` to FileWriter. And now we should export it to Parquet Arrow and Python API.

### What changes are included in this PR?

1. Add `AddKeyValueMetadata` in parquet::arrow
2. Add `add_key_value_metadata` in pyarrow
3. testing

### Are these changes tested?

Yes

### Are there any user-facing changes?

New api allowing add key-value metadata to Parquet file

* GitHub Issue: #41608

Authored-by: mwish <maplewish117@gmail.com>
Signed-off-by: mwish <maplewish117@gmail.com>