MINOR: [Dev] Remove non-active collaborator and add active collaborator

[raulcd]

Rationale for this change

As per the collaborators guide 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

[raulcd]

cc @kou @hiroyuki-sato

[hiroyuki-sato]

@raulcd Thanks. I'm honored.

[kou]

+1

[conbench-apache-arrow]

After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit f7f4995.

There were 8 benchmark results with an error:

• Commit Run on arm64-t4g-2xlarge-linux at 2025-02-07 13:46:13Z
  • tpch (R) with engine=arrow, format=native, language=R, memory_map=False, query_id=TPCH-03, scale_factor=1
  • tpch (R) with engine=arrow, format=parquet, language=R, memory_map=False, query_id=TPCH-03, scale_factor=1
• and 6 more (see the report linked below)

There were no benchmark performance regressions. 🎉

The full Conbench report has more details.