[GH-384] Fix Typo in /gitlab help output for /gitlab pipelines run

[DieAkuteSense]

Summary

There was an error in the output text of /gitlab help, which is fixed with this PR.

Ticket Link

Fixes Issue #384

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[spirosoik]

LGTM. good catch

[spirosoik]

/check-cla

[spirosoik]

@DieAkuteSense please check this #385 (comment)

[DieAkuteSense]

/check-cla

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (842c6b3) 33.03% compared to head (5234b9d) 33.03%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #385   +/-   ##
=======================================
  Coverage   33.03%   33.03%           
=======================================
  Files          22       22           
  Lines        4002     4002           
=======================================
  Hits         1322     1322           
  Misses       2549     2549           
  Partials      131      131           

Impacted Files	Coverage Δ
server/command.go	24.72% <ø> (ø)

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