Fix: Fix default tag name of npm

[oscar60310]

NX sends string "undefined" when flag is not provided.

[codecov-commenter]

Codecov Report

Base: 92.08% // Head: 92.08% // No change to project coverage 👍

Coverage data is based on head (54410fb) compared to base (9a03213).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop      #44   +/-   ##
========================================
  Coverage    92.08%   92.08%           
========================================
  Files          215      215           
  Lines         2980     2980           
  Branches       346      346           
========================================
  Hits          2744     2744           
  Misses         172      172           
  Partials        64       64           

Flag	Coverage Δ
build	94.87% <ø> (ø)
cli	91.90% <ø> (ø)
core	92.45% <ø> (ø)
extension-dbt	97.43% <ø> (ø)
extension-debug-tools	98.11% <ø> (ø)
integration-testing	96.42% <ø> (ø)
serve	88.82% <ø> (ø)
test-utility	∅ <ø> (∅)

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[kokokuo]

LGTM 👍