SNOW-1871755: Support more snowflake built-in functions

[sfc-gh-aling]

1. Which Jira issue is this PR addressing? Make sure that there is an accompanying issue to your PR.

   Fixes SNOW-NNNNNNN

2. Fill out the following pre-review checklist:

   • I am adding a new automated test(s) to verify correctness of my new code
     • If this test skips Local Testing mode, I'm requesting review from @snowflakedb/local-testing
   • I am adding new logging messages
   • I am adding a new telemetry message
   • I am adding new credentials
   • I am adding a new dependency
   • If this is a new feature/behavior, I'm adding the Local Testing parity changes.
   • I acknowledge that I have ensured my changes to be thread-safe. Follow the link for more information: Thread-safe Developer Guidelines

3. Please describe how your code solves the related issue.

implement 26 missing built-in functions

  - `acosh`
  - `asinh`
  - `atanh`
  - `bit_length`
  - `bitmap_bit_position`
  - `bitmap_bucket_number`
  - `bitmap_construct_agg`
  - `cbrt`
  - `equal_null`
  - `ifnull`
  - `localtimestamp`
  - `max_by`
  - `min_by`
  - `nvl`
  - `octet_length`
  - `position`
  - `regr_avgx`
  - `regr_avgy`
  - `regr_count`
  - `regr_intercept`
  - `regr_r2`
  - `regr_slope`
  - `regr_sxx`
  - `regr_sxy`
  - `regr_syy`
  - `try_to_binary`

[sfc-gh-jrose]

A couple of nits.

[sfc-gh-jrose]

This one is neither in functions.rst or functions.py

[sfc-gh-aalam]

I see it in functions.py nvl = ifnull must rst is missing

[sfc-gh-jrose]

Suggested change

	Returns the cube root of the records in a group.
	Returns the cube root of value in a column.```