feat(@angular/build): add library builder #34106

PR Checklist

Please check to confirm your PR fulfills the following requirements:

• [x] The commit message follows our guidelines: https://github.com/angular/angular-cli/blob/main/CONTRIBUTING.md#-commit-message-guidelines
  


• [x] Tests for the changes have been added (for bug fixes / features)


• [ ] Docs have been added / updated (for bug fixes / features)

PR Type

• [x] Feature

What is the current behavior?

Currently, there is no native @angular/build:library builder in @angular/build.

Issue Number: N/A

What is the new behavior?

Add a new native @angular/build:library builder providing a modern, high-performance compilation and packaging pipeline.

Does this PR introduce a breaking change?

• [x] No

Other information