docs: credit recurring v0.9 contributors

[Hmbown]

Summary

• add @shenjackyuanjie to the dry-run contribution-gate allowlist now that feat: porting to HarmonyOS #2634/Port to HarmonyOS #2625 have become active v0.9 HarmonyOS/OpenHarmony validation work
• surface @aboimpinto's current v0.9 contributions in the README current-track credits for [codex] Add sidebar slash command #2788 and Phase 3: pausable command lifecycle (pause / resume / cancel) #2732
• keep Paulo's recurring-contributor entry current with the sidebar command and pausable command lifecycle work

Evidence

• @shenjackyuanjie is already mapped in .github/AUTHOR_MAP, credited in the v0.9 changelog/README for feat: porting to HarmonyOS #2634, and has now confirmed codex/v0.9.0-stewardship with cargo check --target aarch64-unknown-linux-ohos -p codewhale-tui in feat: porting to HarmonyOS #2634.
• @aboimpinto is already approved and credited in the v0.9 changelog for the [codex] Add sidebar slash command #2788 sidebar command harvest and Phase 3: pausable command lifecycle (pause / resume / cancel) #2732 pausable command MVP harvest.

Verification

• git diff --check
• ./scripts/release/check-versions.sh

No release, tag, publish, or artifact changes.

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[gemini-code-assist]

Code Review

This pull request adds a new approved contributor and updates the README.md to credit a contributor for their recent work. The review feedback suggests keeping the updated contributor entry on a single line in the README to maintain formatting consistency with the other entries in that section.

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[gemini-code-assist]

To maintain formatting consistency with the other entries in the Current and recurring contributors include: section, please keep this entry on a single line instead of wrapping it across multiple lines.

Suggested change

	- **[aboimpinto](https://github.com/aboimpinto)** — Windows alt-screen
	logging, Home/End composer, runtime log follow-ups, sidebar command polish,
	and pausable command lifecycle work (#1774, #1776, #1748, #1749, #1782,
	#1783, #2788, #2732)
	- **[aboimpinto](https://github.com/aboimpinto)** — Windows alt-screen logging, Home/End composer, runtime log follow-ups, sidebar command polish, and pausable command lifecycle work (#1774, #1776, #1748, #1749, #1782, #1783, #2788, #2732)