Milvus default version to v2.3.9, bump version

[haorenfsa]

No description provided.

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: haorenfsa

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:

• OWNERS [haorenfsa]

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eeb3051) 80.79% compared to head (9b4116a) 80.79%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #80   +/-   ##
=======================================
  Coverage   80.79%   80.79%           
=======================================
  Files          52       52           
  Lines        5852     5852           
=======================================
  Hits         4728     4728           
  Misses        942      942           
  Partials      182      182           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.