feat: support new DataType TimestampTz

[KKould]

ref: databendlabs/databend#18892

root@localhost:8000/default/default> select to_timestamp_tz(to_timestamp('2021-12-20 17:01:01.000000'));

select
  to_timestamp_tz(to_timestamp('2021-12-20 17:01:01.000000'))

╭─────────────────────────────────────────────────────────────╮
│ to_timestamp_tz(to_timestamp('2021-12-20 17:01:01.000000')) │
│                         TimestampTz                         │
├─────────────────────────────────────────────────────────────┤
│ 2021-12-20 17:01:01.000000 +0000                            │
╰─────────────────────────────────────────────────────────────╯
1 row read in 0.018 sec. Processed 1 row, 1 B (55.56 rows/s, 55 B/s)