arrow

GH-32538: [C++][Parquet] Add JSON canonical extension type (#13901)

Arrow now provides a canonical extension type for JSON data. This
extension is backed by utf8(). Parquet will recognize this extension
and appropriately propagate the LogicalType to the storage format.
* GitHub Issue: #32538

Lead-authored-by: Rok Mihevc <rok@mihevc.org>
Co-authored-by: Pradeep Gollakota <pgollakota@google.com>
Co-authored-by: Antoine Pitrou <antoine@python.org>
Co-authored-by: mwish <maplewish117@gmail.com>
Co-authored-by: Antoine Pitrou <pitrou@free.fr>
Signed-off-by: Antoine Pitrou <antoine@python.org>