Fix regexp for AddedExtractor (again)

[marcan]

For zero bytes, the string is:

Added to the repository: 0 B (0 B stored)

So it needs to match more than 1 space before the parentheses.

[vercel[bot]]

@marcan is attempting to deploy a commit to the Nicco's projects Team on Vercel.

A member of the Team first needs to authorize it.