[eas-cli] Add eas update:embedded:delete command

[gwdp]

Why

Lets users delete an embedded update from the CLI. Pairs with expo/universe#27767. Ref ENG-21466.

How

Confirmation prompt unless --non-interactive; --json round-trips { id }. Server-side delete is best-effort (idempotent on unknown id), so the CLI succeeds whether or not the id existed.

Test Plan

• unit tests cover confirm-path, non-interactive, abort, --json, idempotent on unknown id, unexpected rethrow, prompt copy, cancel logging, id passthrough, --json + --non-interactive.
• Local CLI against universe yarn start:staging

[linear]

ENG-21466

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.03%. Comparing base (c8b8994) to head (e8ec986).

Additional details and impacted files

@@                         Coverage Diff                          @@
##           gwdp/embedded-update-list-cmd-v2    #3809      +/-   ##
====================================================================
+ Coverage                             58.00%   58.03%   +0.04%     
====================================================================
  Files                                   916      917       +1     
  Lines                                 39724    39757      +33     
  Branches                               8318     8322       +4     
====================================================================
+ Hits                                  23036    23069      +33     
  Misses                                15237    15237              
  Partials                               1451     1451              

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[github-actions]

✅ Thank you for adding the changelog entry!

[github-actions]

Subscribed to pull request

File Patterns	Mentions
**/*	@douglowder
packages/eas-cli/src/commands/update/**	@wschurman, @quinlanj

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