Add missing indexInfo in watchDmChannelsRequest

[chasingegg]

/kind improvement

[mergify[bot]]

@chasingegg ut workflow job failed, comment rerun ut can trigger the job again.

[codecov[bot]]

Codecov Report

Merging #24696 (1f76476) into master (d6dea8b) will decrease coverage by 0.02%. The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master   #24696      +/-   ##
==========================================
- Coverage   82.64%   82.63%   -0.02%     
==========================================
  Files         776      776              
  Lines      102076   101854     -222     
==========================================
- Hits        84362    84164     -198     
+ Misses      14681    14667      -14     
+ Partials     3033     3023      -10     

Impacted Files	Coverage Δ
internal/querycoordv2/task/executor.go	71.93% <42.85%> (-0.72%)	:arrow_down:
internal/querycoordv2/task/utils.go	95.55% <100.00%> (-0.10%)	:arrow_down:

... and 23 files with indirect coverage changes

[mergify[bot]]

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

[chasingegg]

/run-cpu-e2e

[bigsheeper]

/lgtm

[jiaoew1991]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chasingegg, jiaoew1991

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• ~~internal/querycoordv2/task/OWNERS~~ [jiaoew1991]

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