Feat : clasp login with service account

> (Note: Non-breaking issues are likely not to be prioritized. Please consider a PR in addition to your issue)

## Expected Behavior
Login with clasp with service account key

## Actual Behavior

Logging in locally…

Authorizing with the following scopes:
https://www.googleapis.com/auth/userinfo.email
https://www.googleapis.com/auth/script.external_request
https://www.googleapis.com/auth/script.webapp.deploy

NOTE: The full list of scopes your project may need can be found at script.google.com under:
File > Project Properties > Scopes

Error retrieving access token: TypeError: Cannot destructure property 'client_id' of 'options.creds.installed' as it is undefined.

## Steps to Reproduce the Problem

1. Create service account into GCP
2. Generate keys & download it
3. npx @google/clasp login --creds generated-key.json

## Specifications

- Node version (`node -v`): v14.21.1
- Version (`clasp -v`): 2.3.1 or 2.4.2
- OS (Mac/Linux/Windows): Mac or Linux