fix: Remove read only node from replica immedaitely after node down

[weiliu1031]

issue: #32665

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.73%. Comparing base (bed6363) to head (4e13e8d).
Report is 15 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #32666      +/-   ##
==========================================
- Coverage   81.74%   81.73%   -0.02%     
==========================================
  Files         998      998              
  Lines      124035   124045      +10     
==========================================
- Hits       101397   101388       -9     
- Misses      18774    18793      +19     
  Partials     3864     3864              

Files	Coverage Δ
internal/querycoordv2/meta/resource_manager.go	78.21% <100.00%> (+0.04%)	⬆️
internal/querynodev2/server.go	76.79% <100.00%> (ø)

... and 28 files with indirect coverage changes

[chyezh]

/lgtm

[congqixia]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, weiliu1031

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• internal/querycoordv2/meta/OWNERS [congqixia]
• internal/querynodev2/OWNERS [congqixia]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment