Remove `shelljs` dependency from `appsmithctl`, instead using our own
much smaller utility functions to run external commands.
Now `esbuild` should be able to build `appsmithctl` project nicely! For
a future PR.
## Automation
/test sanity
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/11854060567>
> Commit: d25bb8d69aca8b51339fba03ba608b58afbb3459
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=11854060567&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity`
> Spec:
> <hr>Fri, 15 Nov 2024 10:27:05 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced an asynchronous database import process for improved
control flow and error handling.
- Added a new function to execute commands and return their output as a
promise.
- **Bug Fixes**
- Enhanced error handling to ensure the supervisor is running before
proceeding with database operations.
- **Tests**
- Added a new test suite for the command execution function, validating
various output scenarios.
- **Chores**
- Removed unnecessary dependencies from the project configuration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Arpit Mohan <mohanarpit@users.noreply.github.com>