feat(webpack5): simplify dependencies resolution when opt-in

[ydmitry]

Should help with #841 , so to opt-in to webpack 5 need to write only resolution for webpack 5

PR Checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[just-jeb]

Hmm we actually can't do that, because builders work with specific version of Angular and major version can break builder's behavior.
You can see for example which changes were introduced in Angular 11 update (hint: some of them are breaking changes) #874.
But I guess #874 solves the problem right? Can this PR be closed then?