fix(worker): fix index out of range caused by duplicate labels

[zhenghaoz]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.03 ⚠️

Comparison is base (a668b05) 69.89% compared to head (9ce4ba2) 69.87%.

❗ Current head 9ce4ba2 differs from pull request most recent head e7af2cb. Consider uploading reports for the commit e7af2cb to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #700      +/-   ##
==========================================
- Coverage   69.89%   69.87%   -0.03%     
==========================================
  Files          63       63              
  Lines       11967    11969       +2     
==========================================
- Hits         8364     8363       -1     
- Misses       2827     2828       +1     
- Partials      776      778       +2     

Impacted Files	Coverage Δ
master/tasks.go	58.80% <100.00%> (+0.07%)	⬆️

... and 1 file with indirect coverage changes

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[zhenghaoz]

/backport

[github-actions]

Backport failed for release-0.4, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally.

git fetch origin release-0.4
git worktree add -d .worktree/backport-700-to-release-0.4 origin/release-0.4
cd .worktree/backport-700-to-release-0.4
git checkout -b backport-700-to-release-0.4
ancref=$(git merge-base a668b053205b9ccd503e4d3919a9eb36bb90fe98 e7af2cb8b002e4a06c1d5a4a231666ff6713ea01)
git cherry-pick -x $ancref..e7af2cb8b002e4a06c1d5a4a231666ff6713ea01