fix: dont override set pkg.json props

[evenstensberg]

What kind of change does this PR introduce?

Fixes #3754

Did you add tests for your changes?
No

If relevant, did you update the documentation?
N/A
Summary
Doesnt override already set values in pkg.json

Does this PR introduce a breaking change?
No
Other information
Might need to fix/add test for this.

[codecov]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (145a10f) 90.89% compared to head (e7797b9) 73.70%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #4017       +/-   ##
===========================================
- Coverage   90.89%   73.70%   -17.20%     
===========================================
  Files          22       21        -1     
  Lines        1692     1696        +4     
  Branches      488      490        +2     
===========================================
- Hits         1538     1250      -288     
- Misses        154      446      +292     

Files	Coverage Δ
packages/generators/src/handlers/default.ts	5.55% <0.00%> (-93.21%)	⬇️

... and 9 files with indirect coverage changes

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[alexander-akait]

@evenstensberg Can you fix CI?

[alexander-akait]

@evenstensberg Can you rebase? I think it is already fixed in our master/main

[webpack-bot]

@evenstensberg Thanks for your update.

I labeled the Pull Request so reviewers will review it again.

@alexander-akait Please review the new changes.

[alexander-akait]

I want to merge it as is, because it works locally without any problems and restore our CI with bumping some deps in other PR