Fix SAVED_LOCAL_CREDS message (#333)
Fix SAVED_LOCAL_CREDS message (#333)

It is different from the actual path and it was fixed.

Current:
```
Authorization successful.
Local credentials saved to: ./clasprc.json.
```

After:
```
Authorization successful.
Local credentials saved to: ./.clasprc.json.
```
google/clasp,google/clasp