Support aube as package manager

### Command

new

### Description

Hey Team,

This issue to support aube as package-manager for new angular project, I was able to create a new workspace and use aube with all commands working fine,

here is the repo https://github.com/santoshyadavdev/angular-aube

I will work on this and open a PR soon so we can reiterate and catch any potential issues

### Describe the solution you'd like

Add the "enum": ["npm", "yarn", "pnpm", "bun", "aube"] in
packages/angular/cli/lib/config/workspace-schema.json and follow the same patter as of bun

### Describe alternatives you've considered

_No response_

Start with packages/angular/cli/lib/config/workspace-schema.json and compare the existing bun package-manager handling. Add aube alongside the supported package managers, following the same pattern as bun. Done means creating a new Angular workspace accepts aube and the existing CLI commands continue to work.

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