fix: change ci module output from id to member

[sailorlqh]

As we are using member in infra, I think we should output member instead of name.

ref: https://github.com/abcxyz/infra/pull/456/files#diff-a7543b686f684bfbe6aa1d142ccd5ed102b5bc8688472e42613ef2c6cec9d75cR40