fix: enable tike-jemallocator unprefixed_malloc_on_supported_platforms

[yuhao-su]

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What's changed and what's your intention?

• enable feature unprefixed_malloc_on_supported_platforms for tikv-jemallocator

Previousely jemalloc is not used for C/C++ code that use malloc, after this, the stats can be more accurate.

#9669

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.

• Installation and deployment
• Connector (sources & sinks)
• SQL commands, functions, and operators
• RisingWave cluster configuration changes
• Other (please specify in the release note below)

Release note

[yuhao-su]

In this pr longevity, the jemalloc active bytes is essentially at the same level of allocated bytes system memory used.

[liurenjie1024]

LGTM!!!!

[codecov]

Codecov Report

Merging #9795 (225bfdb) into main (49db6a8) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #9795   +/-   ##
=======================================
  Coverage   70.97%   70.97%           
=======================================
  Files        1246     1246           
  Lines      208210   208210           
=======================================
+ Hits       147769   147774    +5     
+ Misses      60441    60436    -5     

Flag	Coverage Δ
rust	70.97% <ø> (+<0.01%)	⬆️

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see 4 files with indirect coverage changes

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