chore: update client-rs version to 0.2.21

[gaius-qi]

Description

This pull request includes a small change to the client-rs file. The change updates the subproject commit reference to a new commit hash.

• client-rs: Updated the subproject commit reference from 501a4cdf66315dcc072f90396bd45dd225c704c5 to 250f083980e8aba6d25a49bfae4de3206932315a.

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 35.04%. Comparing base (c3e83cd) to head (c1254d4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3918      +/-   ##
==========================================
- Coverage   35.07%   35.04%   -0.03%     
==========================================
  Files         337      337              
  Lines       39373    39373              
==========================================
- Hits        13810    13799      -11     
- Misses      24660    24668       +8     
- Partials      903      906       +3     

Flag	Coverage Δ
unittests	35.04% <ø> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

see 3 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.