fix(worker): fix concurrent map iteration and map write

[zhenghaoz]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.03 🎉

Comparison is base (863e506) 69.85% compared to head (82989ee) 69.89%.

❗ Current head 82989ee differs from pull request most recent head aa83c5b. Consider uploading reports for the commit aa83c5b to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #697      +/-   ##
==========================================
+ Coverage   69.85%   69.89%   +0.03%     
==========================================
  Files          63       63              
  Lines       11965    11967       +2     
==========================================
+ Hits         8358     8364       +6     
+ Misses       2831     2827       -4     
  Partials      776      776              

Impacted Files	Coverage Δ
config/config.go	72.90% <100.00%> (+1.27%)	⬆️

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[zhenghaoz]

/backport

[github-actions]

Successfully created backport PR for release-0.4:

• [Backport release-0.4] fix(worker): fix concurrent map iteration and map write #698