Include timeSaved metric when skipping cache check (#4952)
After this change, the `timeSaved` metric will be included in:
`--summarize` otutput file when the daemon does not need to restore cache
and will also be sent to Spaces.
Co-authored-by: Nicholas Yang <nicholas.yang@vercel.com>
Co-authored-by: Chris Olszewski <chris.olszewski@vercel.com>