feat(@angular/build): Auto-CSP support as a part of angular.json schema

[aaronshim]

PR Checklist

Please check to confirm your PR fulfills the following requirements:

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

There are no angular.json configurations to add the auto-csp to the index.html transformation.

Issue Number: N/A

What is the new behavior?

There are angular.json configurations to add the auto-csp to the index.html transformation.

Does this PR introduce a breaking change?

• Yes
• No

Other information

This PR also contains content from #28639. Please ignore the files changed in that previous PR and instead on

• packages/angular/build/src/utils/index-file/index-html-generator.ts
• packages/angular/build/src/tools/esbuild/index-html-generator.ts
• packages/angular/build/src/builders/application/schema.json
• packages/angular/build/src/builders/application/options.ts

[dgp1130]

No major concerns on my end here, just want to make sure we agree on the option name and that it's wired up correctly for SSR users.

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