Support `LOG` and `ROUND` scalar functions with two arguments in the SQL API

[igorlukanin]

Describe the bug
Earlier, support for LOG and ROUND scalar functions with two arguments was added in cube-js/arrow-datafusion#135. However, the second argument type was specified as Int32. It allows it to match columns but prevents from matching integer literals.

To Reproduce
Query generated by QuickSight:

SELECT
  date_trunc(\'day\', "period") AS period_tg",
  SUM("clicks") AS clicks_sum",
  ROUND(CAST(CAST(SUM("clicks") - (MIN(SUM("clicks")) OVER ()) AS FLOAT) / NULLIF(CAST((MAX(SUM("clicks")) OVER ()) - (MIN(SUM("clicks")) OVER ()) AS FLOAT), 0) AS NUMERIC), 3) AS "68c185d7-907c-3bb3-97f2-ec592e580dc0"
FROM "public"."revenue"
GROUP BY date_trunc(\'day\', "period")
ORDER BY date_trunc(\'day\', "period") NULLS FIRST
LIMIT 500

Casting the second argument by doing round(3.142, cast(1 as integer)) works but since the BI tool is generating the query, there no actual control over the second argument.

Expected behavior
LOG and ROUND should work with integer literals as the second argument. They are indeed matched as Int64 values, as confirmed by @MazterQyou.

Version:
1.1.0

Additional context
Slack thread: https://cube-js.slack.com/archives/C01FU5AP9LJ/p1727956303761059