message: added fetch many to stubs
diff: @@ -55,6 +55,7 @@ class DuckDBPyConnection:
  def fetch_df(self) -> pandas.DataFrame: ...
  def fetch_df_chunk(self, vectors_per_chunk: int = ...) -> pandas.DataFrame: ...
  def fetch_record_batch(self, chunk_size: int = ...) -> pyarrow.lib.RecordBatchReader: ...
  + def fetchmany(self, size: int = ...) -> list: ...
  def fetchall(self) -> list: ...
  def fetchdf(self) -> pandas.DataFrame: ...
  def fetchnumpy(self) -> dict: ...
  @@ -103,6 +104,7 @@ class DuckDBPyRelation:
  def execute(self, *args, **kwargs) -> Any: ...
  def explain(self) -> str: ...
  def fetchall(self) -> object: ...
  + def fetchmany(self, size: int = ...) -> list: ...
  def fetchone(self) -> object: ...
  def filter(self, filter_expr: str) -> DuckDBPyRelation: ...
  def insert(self, values: object) -> None: ...
  @@ -166,6 +168,7 @@ class DuckDBPyResult:
  def fetchall(self) -> list: ...
  def fetchdf(self) -> pandas.DataFrame: ...
  def fetchnumpy(self) -> dict: ...
  + def fetchmany(self, size: int = ...) -> list: ...
  def fetchone(self) -> object: ...
  class Error(Exception): ...
  