build: use pnpm dlx in create project script #34116

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
  


• [ ] 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?

• [x] Build related changes

What is the current behavior?

scripts/create.mts uses npx --yes to execute the newly built CLI tarball.

Issue Number: N/A

What is the new behavior?

scripts/create.mts uses pnpm dlx to execute the newly built CLI tarball.

Does this PR introduce a breaking change?

• [x] No

Other information