Support new window function ntile

[lgbo-ustc]

Changelog category (leave one):

• New Feature

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

...
Support window function ntile.

insert into test_data values(1,2), (1,3), (1,4), (2,5),(2,6);
select a, b, ntile(2) over (partition by a order by b rows between unbounded preceding and unbounded following ) from test_data;

┌─a─┬─b─┬─ntile(2) OVER (PARTITION BY a ORDER BY b ASC)─┐
│ 1 │ 2 │                                             1 │
│ 1 │ 3 │                                             1 │
│ 1 │ 4 │                                             2 │
│ 2 │ 5 │                                             1 │
│ 2 │ 6 │                                             2 │
└───┴───┴───────────────────────────────────────────────┘

Documentation entry for user-facing changes

• Documentation is written (mandatory for new features)

Information about CI checks: https://clickhouse.com/docs/en/development/continuous-integration/

[lgbo-ustc]

There is a related issue, #28989

[vdimir]

Thank you for making an effort to support this window function!

[alexey-milovidov]

#46763