Angular CLI: 20.2.0-next.1 Release

@angular/cli

| Commit | Description | | -- | -- | | | define option is being included multiple times in the JSON help |

@angular-devkit/core

| Commit | Description | | -- | -- | | | use crypto.randomUUID instead of Date.now for unique string in tmp file names |

@angular/build

| Commit | Description | | -- | -- | | | add headless mode for vitest browser mode |