fix:[cherry-pick] Fix compatible ascending index typo

[xige-16]

issue: #34707
pr: #34708

/kind bug

[mergify]

@xige-16 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[xiaofan-luan]

/lgtm
/approve

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.10%. Comparing base (64dc848) to head (db7beaa).

Additional details and impacted files

@@            Coverage Diff             @@
##              2.3   #34712      +/-   ##
==========================================
+ Coverage   83.02%   83.10%   +0.08%     
==========================================
  Files         851      851              
  Lines      107696   107182     -514     
==========================================
- Hits        89414    89077     -337     
+ Misses      14972    14788     -184     
- Partials     3310     3317       +7     

Files	Coverage Δ
internal/proxy/util.go	91.55% <100.00%> (ø)

... and 85 files with indirect coverage changes

[xiaofan-luan]

/lgtm
/approve

[sre-ci-robot]

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[xiaofan-luan]

/run-cpu-e2e