fix: Spelling Mistake

[wanglong001]

Checklist:

• My organization is added to USERS.md.

[codecov]

Codecov Report

Merging #5507 (ed90b68) into master (b8af341) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5507   +/-   ##
=======================================
  Coverage   46.69%   46.69%           
=======================================
  Files         240      240           
  Lines       15004    15004           
=======================================
  Hits         7006     7006           
+ Misses       7102     7101    -1     
- Partials      896      897    +1     

Impacted Files	Coverage Δ
workflow/metrics/server.go	12.50% <0.00%> (-4.17%)	⬇️
cmd/argoexec/commands/emissary.go	48.43% <0.00%> (-1.57%)	⬇️
cmd/argo/commands/get.go	57.33% <0.00%> (+1.33%)	⬆️

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