scheduler: update dingtalk QR Code

[ZiMengSheng]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[ZiMengSheng]

/lgtm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.03%. Comparing base (0ce6314) to head (fe21a26).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2277      +/-   ##
==========================================
- Coverage   66.05%   66.03%   -0.03%     
==========================================
  Files         454      454              
  Lines       53406    53406              
==========================================
- Hits        35280    35265      -15     
- Misses      15588    15600      +12     
- Partials     2538     2541       +3     

Flag	Coverage Δ
unittests	66.03% <ø> (-0.03%)	⬇️

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