c/driver/postgresql: Implement COPY Writer support for time (ms, ns, s) types

[Mandukhai-Alimaa]

What feature or improvement would you like to see?

FAILED tests/test_ingest.py::TestIngest::test_create[postgresql:15+:ingest/time_ms] - adbc_driver_manager.InternalError: INTERNAL: nanoarrow call failed: writer.InitFieldWriters(type_resolver, &na_error) = (22) Invalid argument. COPY Writer not implemented for type 20
FAILED tests/test_ingest.py::TestIngest::test_create[postgresql:15+:ingest/time_ns] - adbc_driver_manager.InternalError: INTERNAL: nanoarrow call failed: writer.InitFieldWriters(type_resolver, &na_error) = (2) No such file or directory.
FAILED tests/test_ingest.py::TestIngest::test_create[postgresql:15+:ingest/time_s] - adbc_driver_manager.InternalError: INTERNAL: nanoarrow call failed: writer.InitFieldWriters(type_resolver, &na_error) = (22) Invalid argument. COPY Writer not implemented for type 20
FAILED tests/test_query.py::TestQuery::test_query[postgresql:15+:type/bind/time_ms] - adbc_driver_manager.InternalError: INTERNAL: nanoarrow call failed: MakeCopyFieldWriter(bind_schema->children[i], array_view->children[i], type_resolver, &writer, &na_error) = (22) Invalid argument. COPY Writer not implemented for type 20
FAILED tests/test_query.py::TestQuery::test_query[postgresql:15+:type/bind/time_ns] - adbc_driver_manager.InternalError: INTERNAL: nanoarrow call failed: MakeCopyFieldWriter(bind_schema->children[i], array_view->children[i], type_resolver, &writer, &na_error) = (2) No such file or directory.
FAILED tests/test_query.py::TestQuery::test_query[postgresql:15+:type/bind/time_s] - adbc_driver_manager.InternalError: INTERNAL: nanoarrow call failed: MakeCopyFieldWriter(bind_schema->children[i], array_view->children[i], type_resolver, &writer, &na_error) = (22) Invalid argument. COPY Writer not implemented for type 20

These tests are being skipped right now because the PostgreSQL COPY Writer does not support these Arrow time types, throwing "COPY Writer not implemented for type 20" error.