Bump @npmcli/arborist and npm

Removes [@npmcli/arborist](https://github.com/npm/cli/tree/HEAD/workspaces/arborist). It's no longer used after updating ancestor dependency [npm](https://github.com/npm/cli). These dependencies need to be updated together.


Removes `@npmcli/arborist`

Updates `npm` from 7.6.3 to 8.19.2
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/v8.19.2/CHANGELOG.md)
- [Commits](npm/cli@v7.6.3...v8.19.2)

---
updated-dependencies:
- dependency-name: "@npmcli/arborist"
  dependency-type: indirect
- dependency-name: npm
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>