fix: pass all argv to configurations when serve command used

[alexander-akait]

What kind of change does this PR introduce?

bugfix

Did you add tests for your changes?

Yes

If relevant, did you update the documentation?

No need

Summary

fixes #2962 (I think it was fixed, but no, so let's fix)

Does this PR introduce a breaking change?

No

Other information

No

[alexander-akait]

Smoketests again broken, apparently I need to rewrite them again 😞

[codecov]

Codecov Report

Merging #2345 (184d5f4) into master (debb857) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2345      +/-   ##
==========================================
+ Coverage   68.17%   68.19%   +0.01%     
==========================================
  Files          50       50              
  Lines        2052     2053       +1     
  Branches      506      509       +3     
==========================================
+ Hits         1399     1400       +1     
  Misses        653      653              

Impacted Files	Coverage Δ
packages/serve/src/index.ts	64.28% <100.00%> (ø)
packages/webpack-cli/lib/webpack-cli.js	89.86% <100.00%> (+0.01%)	⬆️
packages/generators/src/loader-generator.ts	91.66% <0.00%> (ø)

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