Add chunk-friendly code path to encode_cf_datetime and encode_cf_timedelta
#12642
| Job | Run time |
|---|---|
| 3s | |
| 0s | |
| 0s | |
| 3s |
encode_cf_datetime and encode_cf_timedelta
#12642
| Job | Run time |
|---|---|
| 3s | |
| 0s | |
| 0s | |
| 3s |