enhance:update mmap_chunk_manager config in milvus.yaml

[cqy123456]

issue: #32984
related pr: #35186

[mergify]

@cqy123456 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.25%. Comparing base (095d772) to head (24f011c).
Report is 9 commits behind head on master.

❗ Current head 24f011c differs from pull request most recent head 2ae6b38

Please upload reports for the commit 2ae6b38 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #35180      +/-   ##
==========================================
+ Coverage   72.23%   72.25%   +0.01%     
==========================================
  Files        1193     1193              
  Lines      142035   141917     -118     
==========================================
- Hits       102600   102543      -57     
+ Misses      35080    35039      -41     
+ Partials     4355     4335      -20     

Files	Coverage Δ
internal/util/initcore/init_core.go	90.54% <100.00%> (+0.39%)	⬆️

... and 43 files with indirect coverage changes

[czs007]

/approve
/lgtm

[sre-ci-robot]

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