arrow

MINOR: [Dev] Add mapleFU as collaborator and remove inactive collaborators (#36440)

### Rationale for this change

Adding @ mapleFU as a collaborator.

### What changes are included in this PR?

Add collaborator and remove inactive collaborators.

### Are these changes tested?

Not required

### Are there any user-facing changes?

No

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