ci: don't install webpack again

[ersachin3112]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

don't install webpack again

Breaking Changes

NA

Additional Info

NA

[codecov]

Codecov Report

Merging #483 (9d60e24) into master (f259590) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #483   +/-   ##
=======================================
  Coverage   97.11%   97.11%           
=======================================
  Files           3        3           
  Lines         312      312           
  Branches      114      114           
=======================================
  Hits          303      303           
  Misses          9        9           

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