scripts: add Committer to Service options

[matanl-starkware]

Add Committer to the Service enum, mapped to its StatefulSet resources
(sequencer-committer-config / sequencer-committer-statefulset-0), following the
Core pattern since the committer runs as a StatefulSet. It flows automatically
into the --service choices, help text, and converter.

Co-Authored-By: Claude Opus 4.8 (1M context) noreply@anthropic.com

[cursor]

PR Summary

Low Risk
Small extension to ops scripting enums and tests; no runtime sequencer or auth changes.

Overview
Adds Committer to the prod Service enum so production CLIs that take --service can target the committer workload. It maps to sequencer-committer-config and pod sequencer-committer-statefulset-0, matching the Core StatefulSet naming pattern. A unit test locks in those resource names and the existing enum round-trip behavior still covers the new member.

^{Reviewed by Cursor Bugbot for commit c7b1c92. Bugbot is set up for automated code reviews on this repo. Configure here.}

[matanl-starkware]

• scripts: make --service a required argument #14306
• scripts: confirm before restarting all Core pods at once #14305
• scripts: add Committer to Service options #14304 👈 (View in Graphite)
• scripts: clean up restart-strategy and service help output #14303
• scripts: restart and wait on nodes in parallel #14302
• scripts: make metrics gate() thread-safe #14301
• scripts: add run_in_parallel helper for prod ops #14300
• ci: fix hybrid system test for prod-script changes and k3d install #14317
• main

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[reviewable-StarkWare]

This change is 

[ron-starkware]

@ron-starkware reviewed 2 files and all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on matanl-starkware).

[ron-starkware]

@ron-starkware reviewed 1 file and all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on matanl-starkware).

[matanl-starkware]

@ron-starkware — next one 🙏 #14303 merged, so this rebased onto main and its Reviewable check reset. Re-approve this revision when you can? (Rebase only — no code changes since your prior approval.)