feat(expr): support trim_array

[Honeta]

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What's changed and what's your intention?

trim_array ( array anyarray, n integer ) → anyarray

Trims an array by removing the last n elements. If the array is multidimensional, only the first dimension is trimmed.

close #9264

Checklist For Contributors

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• I have demonstrated that backward compatibility is not broken by breaking changes and created issues to track deprecated features to be removed in the future. (Please refer to the issue)
• All checks passed in ./risedev check (or alias, ./risedev c)

Checklist For Reviewers

• I have requested macro/micro-benchmarks as this PR can affect performance substantially, and the results are shown.

Documentation

• My PR DOES NOT contain user-facing changes.

Click here for Documentation

Types of user-facing changes

Please keep the types that apply to your changes, and remove the others.

• SQL commands, functions, and operators

Release note

https://www.postgresql.org/docs/current/functions-array.html

[st1page]

Generally LGTM.
Btw, should we support visibility bitmap in the Array(List) Type? I am not sure about there use case and workload 🤔

[codecov]

Codecov Report

Merging #9265 (6eeb4d1) into main (1fd0394) will decrease coverage by 0.02%.
The diff coverage is 6.66%.

@@            Coverage Diff             @@
##             main    #9265      +/-   ##
==========================================
- Coverage   70.80%   70.79%   -0.02%     
==========================================
  Files        1216     1217       +1     
  Lines      202303   202333      +30     
==========================================
  Hits       143246   143246              
- Misses      59057    59087      +30     

Flag	Coverage Δ
rust	70.79% <6.66%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/expr/src/expr/mod.rs	65.51% <ø> (ø)
src/frontend/src/expr/pure.rs	94.73% <ø> (ø)
src/frontend/src/expr/type_inference/func.rs	80.53% <0.00%> (-0.57%)	⬇️
src/expr/src/expr/expr_trim_array.rs	4.34% <4.34%> (ø)
src/frontend/src/binder/expr/function.rs	89.57% <100.00%> (+0.01%)	⬆️

... and 5 files with indirect coverage changes

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