Bump tar and serverless in /test/packages/simple

Removes [tar](https://github.com/isaacs/node-tar). It's no longer used after updating ancestor dependency [serverless](https://github.com/serverless/serverless). These dependencies need to be updated together.


Removes `tar`

Updates `serverless` from 2.72.4 to 4.31.2
- [Release notes](https://github.com/serverless/serverless/releases)
- [Changelog](https://github.com/serverless/serverless/blob/main/RELEASE_PROCESS.md)
- [Commits](https://github.com/serverless/serverless/compare/v2.72.4...sf-core@4.31.2)

---
updated-dependencies:
- dependency-name: tar
  dependency-version: 
  dependency-type: indirect
- dependency-name: serverless
  dependency-version: 4.31.2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]