arrow

MINOR: [Dev] Remove non-active collaborator and add active collaborator (#45461)

### Rationale for this change

As per the [collaborators guide](https://github.com/apache/arrow/blob/11ce71d286b0c1d1ef862801756e180c32a32d97/docs/source/developers/reviewing.rst#collaborators) we should maintain the list of collaborators updated.

### What changes are included in this PR?

I've removed an inactive collaborator for a year.
And added a new collaborator so they can trigger archery jobs and triage.

### Are these changes tested?

No

### Are there any user-facing changes?

No

Authored-by: Raúl Cumplido <raulcumplido@gmail.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>