feat: add reviewapps:create and reviewapps:wait commands

[chap]

Summary

Adds Review Apps create and wait commands.

• heroku reviewapps:create -p <pipeline> -b <branch> [--wait] — creates a review app for a pipeline branch. The backend resolves the connected repo and source blob (the CLI sends a resolve source URL), so no client-side repo/archive resolution happens. Mirrors addons:create async handling: --wait/--wait-interval poll to completion with a spinner and desktop notification, otherwise it prints how to follow along in the background.
• heroku reviewapps:wait [app] — polls provisioning status to completion, surfacing errored review apps. Like addons:wait.

Help Text

$ heroku reviewapps:create --help
create a review app from a pipeline's connected repository

USAGE
  $ heroku reviewapps:create -b <value> -p <value> [--prompt] [--wait] [--wait-interval <value>]

FLAGS
  -b, --branch=<value>         (required) the branch to create the review app from
  -p, --pipeline=<value>       (required) name of pipeline
      --wait                   watch review app creation status and exit when complete
      --wait-interval=<value>  how frequently to poll in seconds (to use with --wait)

GLOBAL FLAGS
  --prompt  interactively prompt for command arguments and flags

DESCRIPTION
  create a review app from a pipeline's connected repository

EXAMPLES
   $ heroku reviewapps:create -p my-pipeline -b my-branch --wait 

$ heroku reviewapps:wait --help  
wait for a review app to be created

USAGE
  $ heroku reviewapps:wait APP [--prompt] [--wait-interval <value>]

ARGUMENTS
  APP  unique identifier or name of the app

FLAGS
  --wait-interval=<value>  how frequently to poll in seconds

GLOBAL FLAGS
  --prompt  interactively prompt for command arguments and flags

DESCRIPTION
  wait for a review app to be created

EXAMPLES
   $ heroku reviewapps:create -p my-pipeline -b my-branch --wait 

Type of Change

Breaking Changes (major semver update)

• Add a ! after your change type to denote a change that breaks current behavior

Feature Additions (minor semver update)

• feat: Introduces a new feature to the codebase

Patch Updates (patch semver update)

• fix: Bug fix
• deps: Dependency upgrade
• revert: Revert a previous commit
• chore: Change that does not affect production code
• refactor: Refactoring existing code without changing behavior
• test: Add/update/remove tests

Testing

Notes:
The create call uses the flat POST /review-apps endpoint (pipeline in the body) with a resolve source blob URL; the backend resolves the actual source.

Steps:

1. Passing CI suffices.
2. Manual: heroku reviewapps:create -p <pipeline> -b <branch> --wait provisions a review app and exits when complete; without --wait it returns immediately and prints the reviewapps:wait follow-up command.

Screenshots (if applicable)

Related Issues

https://gus.lightning.force.com/lightning/r/ADM_Work__c/a07EE00002fHK5HYAW/view