chore(release): 5.0.0

[alexander-akait]

What kind of change does this PR introduce?

chore + docs

Did you add tests for your changes?

No need

If relevant, did you update the documentation?

No

Summary

Changelog and versions

Does this PR introduce a breaking change?

This no, but it is about changes

Other information

prepare changelog for release + need to fix --entry option

[codecov]

Codecov Report

Merging #3492 (1fab6e1) into master (49b6aea) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3492   +/-   ##
=======================================
  Coverage   91.30%   91.30%           
=======================================
  Files          22       22           
  Lines        1588     1588           
  Branches      447      447           
=======================================
  Hits         1450     1450           
  Misses        138      138           

Impacted Files	Coverage Δ
packages/webpack-cli/src/webpack-cli.ts	92.70% <ø> (ø)

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