[wrangler] Add wrangler versions delete command

[elithrar]

Adds the wrangler versions delete <version-id> command to delete Worker versions that have been uploaded but not yet deployed. This addresses feedback from users who could only delete versions via the API.

• uses the beta API endpoint: DELETE /accounts/{account_id}/workers/workers/{worker_id}/versions/{version_id}
• --name flag to specify Worker name (or read from wrangler.toml)
• --yes / -y flag to skip confirmation prompt
• --json flag for machine-readable output
• safe for CI: uses fallbackValue: false so non-interactive contexts default to NOT deleting

Testing

• 12 unit tests covering argument validation, confirmation flow, JSON output, and error cases

• build passes, lint passes

• Tests

  • Tests included/updated
  • Tests not necessary because:

• Public documentation

  • Cloudflare docs PR(s): docs: add wrangler versions delete command cloudflare-docs#27511
  • Documentation not necessary because:

A picture of a cute animal (not mandatory, but encouraged)

[changeset-bot]

🦋 Changeset detected

Latest commit: 654b7e4

The changes in this PR will be included in the next version bump.

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commit: 654b7e4